Home / 21,472.90-32,200.44-8,317.69

Finding the Fourth Proportional to 21,472.90, 32,200.44 and 8,317.69

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Solution

The fourth proportional to 21,472.90, 32,200.44 and 8,317.69 is: 12,473.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,472.90 : 32,200.44 = 8,317.69 : x
  2. Step 2: Convert to fraction form
    21,472.90/32,200.44 = 8,317.69/x
  3. Step 3: Cross multiply
    21,472.90x = 32,200.44 × 8,317.69
  4. Step 4: Simplify right side
    21,472.90x = 267,833,166.09
  5. Step 5: Solve for x
    x = 267,833,166.09/21,472.90
  6. Step 6: Final answer
    x = 12,473.08

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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.