Home / 24,710.46-34,115.14-15,291.78

Finding the Fourth Proportional to 24,710.46, 34,115.14 and 15,291.78

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Solution

The fourth proportional to 24,710.46, 34,115.14 and 15,291.78 is: 21,111.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,710.46 : 34,115.14 = 15,291.78 : x
  2. Step 2: Convert to fraction form
    24,710.46/34,115.14 = 15,291.78/x
  3. Step 3: Cross multiply
    24,710.46x = 34,115.14 × 15,291.78
  4. Step 4: Simplify right side
    24,710.46x = 521,681,215.55
  5. Step 5: Solve for x
    x = 521,681,215.55/24,710.46
  6. Step 6: Final answer
    x = 21,111.76

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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.