Home / 21,348.29-32,000.55-8,875.55

Finding the Fourth Proportional to 21,348.29, 32,000.55 and 8,875.55

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Solution

The fourth proportional to 21,348.29, 32,000.55 and 8,875.55 is: 13,304.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,348.29 : 32,000.55 = 8,875.55 : x
  2. Step 2: Convert to fraction form
    21,348.29/32,000.55 = 8,875.55/x
  3. Step 3: Cross multiply
    21,348.29x = 32,000.55 × 8,875.55
  4. Step 4: Simplify right side
    21,348.29x = 284,022,481.55
  5. Step 5: Solve for x
    x = 284,022,481.55/21,348.29
  6. Step 6: Final answer
    x = 13,304.23

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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.