Home / 29,263.11-40,380.15-16,515.15

Finding the Fourth Proportional to 29,263.11, 40,380.15 and 16,515.15

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Solution

The fourth proportional to 29,263.11, 40,380.15 and 16,515.15 is: 22,789.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,263.11 : 40,380.15 = 16,515.15 : x
  2. Step 2: Convert to fraction form
    29,263.11/40,380.15 = 16,515.15/x
  3. Step 3: Cross multiply
    29,263.11x = 40,380.15 × 16,515.15
  4. Step 4: Simplify right side
    29,263.11x = 666,884,234.27
  5. Step 5: Solve for x
    x = 666,884,234.27/29,263.11
  6. Step 6: Final answer
    x = 22,789.25

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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.