Home / 43,397.12-65,047.92-28,398.08

Finding the Fourth Proportional to 43,397.12, 65,047.92 and 28,398.08

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Solution

The fourth proportional to 43,397.12, 65,047.92 and 28,398.08 is: 42,565.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,397.12 : 65,047.92 = 28,398.08 : x
  2. Step 2: Convert to fraction form
    43,397.12/65,047.92 = 28,398.08/x
  3. Step 3: Cross multiply
    43,397.12x = 65,047.92 × 28,398.08
  4. Step 4: Simplify right side
    43,397.12x = 1,847,236,035.99
  5. Step 5: Solve for x
    x = 1,847,236,035.99/43,397.12
  6. Step 6: Final answer
    x = 42,565.87

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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.