Home / 28,349.20-42,524.50-13,559.68

Finding the Fourth Proportional to 28,349.20, 42,524.50 and 13,559.68

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Solution

The fourth proportional to 28,349.20, 42,524.50 and 13,559.68 is: 20,339.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,349.20 : 42,524.50 = 13,559.68 : x
  2. Step 2: Convert to fraction form
    28,349.20/42,524.50 = 13,559.68/x
  3. Step 3: Cross multiply
    28,349.20x = 42,524.50 × 13,559.68
  4. Step 4: Simplify right side
    28,349.20x = 576,618,612.16
  5. Step 5: Solve for x
    x = 576,618,612.16/28,349.20
  6. Step 6: Final answer
    x = 20,339.85

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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.