Home / 23,319.90-32,192.24-13,756.55

Finding the Fourth Proportional to 23,319.90, 32,192.24 and 13,756.55

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Solution

The fourth proportional to 23,319.90, 32,192.24 and 13,756.55 is: 18,990.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,319.90 : 32,192.24 = 13,756.55 : x
  2. Step 2: Convert to fraction form
    23,319.90/32,192.24 = 13,756.55/x
  3. Step 3: Cross multiply
    23,319.90x = 32,192.24 × 13,756.55
  4. Step 4: Simplify right side
    23,319.90x = 442,853,929.43
  5. Step 5: Solve for x
    x = 442,853,929.43/23,319.90
  6. Step 6: Final answer
    x = 18,990.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.