Home / 26,432.61-39,648.92-13,281.86

Finding the Fourth Proportional to 26,432.61, 39,648.92 and 13,281.86

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Solution

The fourth proportional to 26,432.61, 39,648.92 and 13,281.86 is: 19,922.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,432.61 : 39,648.92 = 13,281.86 : x
  2. Step 2: Convert to fraction form
    26,432.61/39,648.92 = 13,281.86/x
  3. Step 3: Cross multiply
    26,432.61x = 39,648.92 × 13,281.86
  4. Step 4: Simplify right side
    26,432.61x = 526,611,139.94
  5. Step 5: Solve for x
    x = 526,611,139.94/26,432.61
  6. Step 6: Final answer
    x = 19,922.78

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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.