Home / 23,281.50-32,124.20-15,213.02

Finding the Fourth Proportional to 23,281.50, 32,124.20 and 15,213.02

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Solution

The fourth proportional to 23,281.50, 32,124.20 and 15,213.02 is: 20,991.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,281.50 : 32,124.20 = 15,213.02 : x
  2. Step 2: Convert to fraction form
    23,281.50/32,124.20 = 15,213.02/x
  3. Step 3: Cross multiply
    23,281.50x = 32,124.20 × 15,213.02
  4. Step 4: Simplify right side
    23,281.50x = 488,706,097.08
  5. Step 5: Solve for x
    x = 488,706,097.08/23,281.50
  6. Step 6: Final answer
    x = 20,991.18

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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.