Home / 24,691.28-34,074.78-13,513.28

Finding the Fourth Proportional to 24,691.28, 34,074.78 and 13,513.28

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Solution

The fourth proportional to 24,691.28, 34,074.78 and 13,513.28 is: 18,648.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    24,691.28 : 34,074.78 = 13,513.28 : x
  2. Step 2: Convert to fraction form
    24,691.28/34,074.78 = 13,513.28/x
  3. Step 3: Cross multiply
    24,691.28x = 34,074.78 × 13,513.28
  4. Step 4: Simplify right side
    24,691.28x = 460,462,043.08
  5. Step 5: Solve for x
    x = 460,462,043.08/24,691.28
  6. Step 6: Final answer
    x = 18,648.77

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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.