Home / 27,892.28-38,488.96-15,953.70

Finding the Fourth Proportional to 27,892.28, 38,488.96 and 15,953.70

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Solution

The fourth proportional to 27,892.28, 38,488.96 and 15,953.70 is: 22,014.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,892.28 : 38,488.96 = 15,953.70 : x
  2. Step 2: Convert to fraction form
    27,892.28/38,488.96 = 15,953.70/x
  3. Step 3: Cross multiply
    27,892.28x = 38,488.96 × 15,953.70
  4. Step 4: Simplify right side
    27,892.28x = 614,041,321.15
  5. Step 5: Solve for x
    x = 614,041,321.15/27,892.28
  6. Step 6: Final answer
    x = 22,014.74

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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.