Home / 27,753.18-38,299.95-15,178.74

Finding the Fourth Proportional to 27,753.18, 38,299.95 and 15,178.74

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Solution

The fourth proportional to 27,753.18, 38,299.95 and 15,178.74 is: 20,946.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,753.18 : 38,299.95 = 15,178.74 : x
  2. Step 2: Convert to fraction form
    27,753.18/38,299.95 = 15,178.74/x
  3. Step 3: Cross multiply
    27,753.18x = 38,299.95 × 15,178.74
  4. Step 4: Simplify right side
    27,753.18x = 581,344,983.06
  5. Step 5: Solve for x
    x = 581,344,983.06/27,753.18
  6. Step 6: Final answer
    x = 20,946.97

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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.