Home / 21,572.22-32,353.46-8,417.82

Finding the Fourth Proportional to 21,572.22, 32,353.46 and 8,417.82

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Solution

The fourth proportional to 21,572.22, 32,353.46 and 8,417.82 is: 12,624.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,572.22 : 32,353.46 = 8,417.82 : x
  2. Step 2: Convert to fraction form
    21,572.22/32,353.46 = 8,417.82/x
  3. Step 3: Cross multiply
    21,572.22x = 32,353.46 × 8,417.82
  4. Step 4: Simplify right side
    21,572.22x = 272,345,602.66
  5. Step 5: Solve for x
    x = 272,345,602.66/21,572.22
  6. Step 6: Final answer
    x = 12,624.83

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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.