Home / 23,521.13-35,287.16-7,938.75

Finding the Fourth Proportional to 23,521.13, 35,287.16 and 7,938.75

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Solution

The fourth proportional to 23,521.13, 35,287.16 and 7,938.75 is: 11,909.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,521.13 : 35,287.16 = 7,938.75 : x
  2. Step 2: Convert to fraction form
    23,521.13/35,287.16 = 7,938.75/x
  3. Step 3: Cross multiply
    23,521.13x = 35,287.16 × 7,938.75
  4. Step 4: Simplify right side
    23,521.13x = 280,135,901.76
  5. Step 5: Solve for x
    x = 280,135,901.76/23,521.13
  6. Step 6: Final answer
    x = 11,909.97

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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.