Home / 23,270.12-32,112.61-12,659.79

Finding the Fourth Proportional to 23,270.12, 32,112.61 and 12,659.79

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Solution

The fourth proportional to 23,270.12, 32,112.61 and 12,659.79 is: 17,470.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,270.12 : 32,112.61 = 12,659.79 : x
  2. Step 2: Convert to fraction form
    23,270.12/32,112.61 = 12,659.79/x
  3. Step 3: Cross multiply
    23,270.12x = 32,112.61 × 12,659.79
  4. Step 4: Simplify right side
    23,270.12x = 406,538,898.95
  5. Step 5: Solve for x
    x = 406,538,898.95/23,270.12
  6. Step 6: Final answer
    x = 17,470.43

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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.