Home / 23,280.60-32,127.95-13,209.47

Finding the Fourth Proportional to 23,280.60, 32,127.95 and 13,209.47

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Solution

The fourth proportional to 23,280.60, 32,127.95 and 13,209.47 is: 18,229.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,280.60 : 32,127.95 = 13,209.47 : x
  2. Step 2: Convert to fraction form
    23,280.60/32,127.95 = 13,209.47/x
  3. Step 3: Cross multiply
    23,280.60x = 32,127.95 × 13,209.47
  4. Step 4: Simplify right side
    23,280.60x = 424,392,965.00
  5. Step 5: Solve for x
    x = 424,392,965.00/23,280.60
  6. Step 6: Final answer
    x = 18,229.47

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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.