Home / 23,905.20-32,989.02-13,294.80

Finding the Fourth Proportional to 23,905.20, 32,989.02 and 13,294.80

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Solution

The fourth proportional to 23,905.20, 32,989.02 and 13,294.80 is: 18,346.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,905.20 : 32,989.02 = 13,294.80 : x
  2. Step 2: Convert to fraction form
    23,905.20/32,989.02 = 13,294.80/x
  3. Step 3: Cross multiply
    23,905.20x = 32,989.02 × 13,294.80
  4. Step 4: Simplify right side
    23,905.20x = 438,582,423.10
  5. Step 5: Solve for x
    x = 438,582,423.10/23,905.20
  6. Step 6: Final answer
    x = 18,346.74

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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.