Home / 27,753.92-38,300.46-15,178.76

Finding the Fourth Proportional to 27,753.92, 38,300.46 and 15,178.76

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Solution

The fourth proportional to 27,753.92, 38,300.46 and 15,178.76 is: 20,946.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,753.92 : 38,300.46 = 15,178.76 : x
  2. Step 2: Convert to fraction form
    27,753.92/38,300.46 = 15,178.76/x
  3. Step 3: Cross multiply
    27,753.92x = 38,300.46 × 15,178.76
  4. Step 4: Simplify right side
    27,753.92x = 581,353,490.23
  5. Step 5: Solve for x
    x = 581,353,490.23/27,753.92
  6. Step 6: Final answer
    x = 20,946.72

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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.