Home / 23,899.70-32,979.75-13,287.62

Finding the Fourth Proportional to 23,899.70, 32,979.75 and 13,287.62

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Solution

The fourth proportional to 23,899.70, 32,979.75 and 13,287.62 is: 18,335.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,899.70 : 32,979.75 = 13,287.62 : x
  2. Step 2: Convert to fraction form
    23,899.70/32,979.75 = 13,287.62/x
  3. Step 3: Cross multiply
    23,899.70x = 32,979.75 × 13,287.62
  4. Step 4: Simplify right side
    23,899.70x = 438,222,385.70
  5. Step 5: Solve for x
    x = 438,222,385.70/23,899.70
  6. Step 6: Final answer
    x = 18,335.89

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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.