Home / 22,005.60-30,367.92-12,575.52

Finding the Fourth Proportional to 22,005.60, 30,367.92 and 12,575.52

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Solution

The fourth proportional to 22,005.60, 30,367.92 and 12,575.52 is: 17,354.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,005.60 : 30,367.92 = 12,575.52 : x
  2. Step 2: Convert to fraction form
    22,005.60/30,367.92 = 12,575.52/x
  3. Step 3: Cross multiply
    22,005.60x = 30,367.92 × 12,575.52
  4. Step 4: Simplify right side
    22,005.60x = 381,892,385.32
  5. Step 5: Solve for x
    x = 381,892,385.32/22,005.60
  6. Step 6: Final answer
    x = 17,354.33

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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.