Home / 27,954.19-38,577.48-15,208.09

Finding the Fourth Proportional to 27,954.19, 38,577.48 and 15,208.09

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Solution

The fourth proportional to 27,954.19, 38,577.48 and 15,208.09 is: 20,987.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,954.19 : 38,577.48 = 15,208.09 : x
  2. Step 2: Convert to fraction form
    27,954.19/38,577.48 = 15,208.09/x
  3. Step 3: Cross multiply
    27,954.19x = 38,577.48 × 15,208.09
  4. Step 4: Simplify right side
    27,954.19x = 586,689,691.37
  5. Step 5: Solve for x
    x = 586,689,691.37/27,954.19
  6. Step 6: Final answer
    x = 20,987.54

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Find fourth proportional to 13,977.09, 19,288.74 and 7,604.04
Half scale
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Double scale
Find fourth proportional to 27,955.19, 38,578.86 and 15,209.09
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.