Home / 27,647.56-38,153.52-15,072.28

Finding the Fourth Proportional to 27,647.56, 38,153.52 and 15,072.28

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Solution

The fourth proportional to 27,647.56, 38,153.52 and 15,072.28 is: 20,799.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,647.56 : 38,153.52 = 15,072.28 : x
  2. Step 2: Convert to fraction form
    27,647.56/38,153.52 = 15,072.28/x
  3. Step 3: Cross multiply
    27,647.56x = 38,153.52 × 15,072.28
  4. Step 4: Simplify right side
    27,647.56x = 575,060,536.43
  5. Step 5: Solve for x
    x = 575,060,536.43/27,647.56
  6. Step 6: Final answer
    x = 20,799.68

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Find fourth proportional to 13,823.78, 19,076.76 and 7,536.14
Half scale
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Double scale
Find fourth proportional to 27,648.56, 38,154.90 and 15,073.28
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.