Home / 24,760.72-34,132.08-20,969.92

Finding the Fourth Proportional to 24,760.72, 34,132.08 and 20,969.92

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Solution

The fourth proportional to 24,760.72, 34,132.08 and 20,969.92 is: 28,906.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,760.72 : 34,132.08 = 20,969.92 : x
  2. Step 2: Convert to fraction form
    24,760.72/34,132.08 = 20,969.92/x
  3. Step 3: Cross multiply
    24,760.72x = 34,132.08 × 20,969.92
  4. Step 4: Simplify right side
    24,760.72x = 715,746,987.03
  5. Step 5: Solve for x
    x = 715,746,987.03/24,760.72
  6. Step 6: Final answer
    x = 28,906.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.