Home / 21,488.68-32,223.60-8,829.76

Finding the Fourth Proportional to 21,488.68, 32,223.60 and 8,829.76

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Solution

The fourth proportional to 21,488.68, 32,223.60 and 8,829.76 is: 13,240.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,488.68 : 32,223.60 = 8,829.76 : x
  2. Step 2: Convert to fraction form
    21,488.68/32,223.60 = 8,829.76/x
  3. Step 3: Cross multiply
    21,488.68x = 32,223.60 × 8,829.76
  4. Step 4: Simplify right side
    21,488.68x = 284,526,654.34
  5. Step 5: Solve for x
    x = 284,526,654.34/21,488.68
  6. Step 6: Final answer
    x = 13,240.77

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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.