Home / 28,337.55-42,507.84-8,614.59

Finding the Fourth Proportional to 28,337.55, 42,507.84 and 8,614.59

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Solution

The fourth proportional to 28,337.55, 42,507.84 and 8,614.59 is: 12,922.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,337.55 : 42,507.84 = 8,614.59 : x
  2. Step 2: Convert to fraction form
    28,337.55/42,507.84 = 8,614.59/x
  3. Step 3: Cross multiply
    28,337.55x = 42,507.84 × 8,614.59
  4. Step 4: Simplify right side
    28,337.55x = 366,187,613.39
  5. Step 5: Solve for x
    x = 366,187,613.39/28,337.55
  6. Step 6: Final answer
    x = 12,922.35

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1.5x scale

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.