Home / 31,728.08-47,592.12-8,357.96

Finding the Fourth Proportional to 31,728.08, 47,592.12 and 8,357.96

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Solution

The fourth proportional to 31,728.08, 47,592.12 and 8,357.96 is: 12,536.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,728.08 : 47,592.12 = 8,357.96 : x
  2. Step 2: Convert to fraction form
    31,728.08/47,592.12 = 8,357.96/x
  3. Step 3: Cross multiply
    31,728.08x = 47,592.12 × 8,357.96
  4. Step 4: Simplify right side
    31,728.08x = 397,773,035.28
  5. Step 5: Solve for x
    x = 397,773,035.28/31,728.08
  6. Step 6: Final answer
    x = 12,536.94

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Similar ratio
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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.