Home / 24,911.68-34,380.54-18,613.12

Finding the Fourth Proportional to 24,911.68, 34,380.54 and 18,613.12

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Solution

The fourth proportional to 24,911.68, 34,380.54 and 18,613.12 is: 25,687.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,911.68 : 34,380.54 = 18,613.12 : x
  2. Step 2: Convert to fraction form
    24,911.68/34,380.54 = 18,613.12/x
  3. Step 3: Cross multiply
    24,911.68x = 34,380.54 × 18,613.12
  4. Step 4: Simplify right side
    24,911.68x = 639,929,116.68
  5. Step 5: Solve for x
    x = 639,929,116.68/24,911.68
  6. Step 6: Final answer
    x = 25,687.91

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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.