Home / 27,115.17-37,417.10-15,014.78

Finding the Fourth Proportional to 27,115.17, 37,417.10 and 15,014.78

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Solution

The fourth proportional to 27,115.17, 37,417.10 and 15,014.78 is: 20,719.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,115.17 : 37,417.10 = 15,014.78 : x
  2. Step 2: Convert to fraction form
    27,115.17/37,417.10 = 15,014.78/x
  3. Step 3: Cross multiply
    27,115.17x = 37,417.10 × 15,014.78
  4. Step 4: Simplify right side
    27,115.17x = 561,809,524.74
  5. Step 5: Solve for x
    x = 561,809,524.74/27,115.17
  6. Step 6: Final answer
    x = 20,719.38

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Find fourth proportional to 13,557.59, 18,708.55 and 7,507.39
Half scale
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Double scale
Find fourth proportional to 27,116.17, 37,418.48 and 15,015.78
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.