Home / 28,229.42-42,342.82-11,585.34

Finding the Fourth Proportional to 28,229.42, 42,342.82 and 11,585.34

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Solution

The fourth proportional to 28,229.42, 42,342.82 and 11,585.34 is: 17,377.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,229.42 : 42,342.82 = 11,585.34 : x
  2. Step 2: Convert to fraction form
    28,229.42/42,342.82 = 11,585.34/x
  3. Step 3: Cross multiply
    28,229.42x = 42,342.82 × 11,585.34
  4. Step 4: Simplify right side
    28,229.42x = 490,555,937.30
  5. Step 5: Solve for x
    x = 490,555,937.30/28,229.42
  6. Step 6: Final answer
    x = 17,377.47

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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.