Home / 25,691.28-38,513.55-9,886.23

Finding the Fourth Proportional to 25,691.28, 38,513.55 and 9,886.23

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Solution

The fourth proportional to 25,691.28, 38,513.55 and 9,886.23 is: 14,820.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,691.28 : 38,513.55 = 9,886.23 : x
  2. Step 2: Convert to fraction form
    25,691.28/38,513.55 = 9,886.23/x
  3. Step 3: Cross multiply
    25,691.28x = 38,513.55 × 9,886.23
  4. Step 4: Simplify right side
    25,691.28x = 380,753,813.42
  5. Step 5: Solve for x
    x = 380,753,813.42/25,691.28
  6. Step 6: Final answer
    x = 14,820.35

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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.