Home / 28,293.86-42,451.72-8,572.58

Finding the Fourth Proportional to 28,293.86, 42,451.72 and 8,572.58

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Solution

The fourth proportional to 28,293.86, 42,451.72 and 8,572.58 is: 12,862.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,293.86 : 42,451.72 = 8,572.58 : x
  2. Step 2: Convert to fraction form
    28,293.86/42,451.72 = 8,572.58/x
  3. Step 3: Cross multiply
    28,293.86x = 42,451.72 × 8,572.58
  4. Step 4: Simplify right side
    28,293.86x = 363,920,765.84
  5. Step 5: Solve for x
    x = 363,920,765.84/28,293.86
  6. Step 6: Final answer
    x = 12,862.18

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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.