Home / 25,776.28-38,665.22-12,264.49

Finding the Fourth Proportional to 25,776.28, 38,665.22 and 12,264.49

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Solution

The fourth proportional to 25,776.28, 38,665.22 and 12,264.49 is: 18,397.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,776.28 : 38,665.22 = 12,264.49 : x
  2. Step 2: Convert to fraction form
    25,776.28/38,665.22 = 12,264.49/x
  3. Step 3: Cross multiply
    25,776.28x = 38,665.22 × 12,264.49
  4. Step 4: Simplify right side
    25,776.28x = 474,209,204.04
  5. Step 5: Solve for x
    x = 474,209,204.04/25,776.28
  6. Step 6: Final answer
    x = 18,397.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.