Home / 27,459.38-37,892.60-15,520.38

Finding the Fourth Proportional to 27,459.38, 37,892.60 and 15,520.38

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Solution

The fourth proportional to 27,459.38, 37,892.60 and 15,520.38 is: 21,417.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,459.38 : 37,892.60 = 15,520.38 : x
  2. Step 2: Convert to fraction form
    27,459.38/37,892.60 = 15,520.38/x
  3. Step 3: Cross multiply
    27,459.38x = 37,892.60 × 15,520.38
  4. Step 4: Simplify right side
    27,459.38x = 588,107,551.19
  5. Step 5: Solve for x
    x = 588,107,551.19/27,459.38
  6. Step 6: Final answer
    x = 21,417.36

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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.