Home / 21,488.78-32,233.17-8,350.38

Finding the Fourth Proportional to 21,488.78, 32,233.17 and 8,350.38

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Solution

The fourth proportional to 21,488.78, 32,233.17 and 8,350.38 is: 12,525.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,488.78 : 32,233.17 = 8,350.38 : x
  2. Step 2: Convert to fraction form
    21,488.78/32,233.17 = 8,350.38/x
  3. Step 3: Cross multiply
    21,488.78x = 32,233.17 × 8,350.38
  4. Step 4: Simplify right side
    21,488.78x = 269,159,218.10
  5. Step 5: Solve for x
    x = 269,159,218.10/21,488.78
  6. Step 6: Final answer
    x = 12,525.57

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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.