Home / 28,310.85-42,472.32-9,590.24

Finding the Fourth Proportional to 28,310.85, 42,472.32 and 9,590.24

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Solution

The fourth proportional to 28,310.85, 42,472.32 and 9,590.24 is: 14,387.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,310.85 : 42,472.32 = 9,590.24 : x
  2. Step 2: Convert to fraction form
    28,310.85/42,472.32 = 9,590.24/x
  3. Step 3: Cross multiply
    28,310.85x = 42,472.32 × 9,590.24
  4. Step 4: Simplify right side
    28,310.85x = 407,319,742.16
  5. Step 5: Solve for x
    x = 407,319,742.16/28,310.85
  6. Step 6: Final answer
    x = 14,387.41

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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.