Home / 32,428.20-48,638.28-8,737.61

Finding the Fourth Proportional to 32,428.20, 48,638.28 and 8,737.61

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Solution

The fourth proportional to 32,428.20, 48,638.28 and 8,737.61 is: 13,105.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,428.20 : 48,638.28 = 8,737.61 : x
  2. Step 2: Convert to fraction form
    32,428.20/48,638.28 = 8,737.61/x
  3. Step 3: Cross multiply
    32,428.20x = 48,638.28 × 8,737.61
  4. Step 4: Simplify right side
    32,428.20x = 424,982,062.14
  5. Step 5: Solve for x
    x = 424,982,062.14/32,428.20
  6. Step 6: Final answer
    x = 13,105.32

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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.