Home / 23,899.20-32,979.06-13,287.12

Finding the Fourth Proportional to 23,899.20, 32,979.06 and 13,287.12

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Solution

The fourth proportional to 23,899.20, 32,979.06 and 13,287.12 is: 18,335.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,899.20 : 32,979.06 = 13,287.12 : x
  2. Step 2: Convert to fraction form
    23,899.20/32,979.06 = 13,287.12/x
  3. Step 3: Cross multiply
    23,899.20x = 32,979.06 × 13,287.12
  4. Step 4: Simplify right side
    23,899.20x = 438,196,727.71
  5. Step 5: Solve for x
    x = 438,196,727.71/23,899.20
  6. Step 6: Final answer
    x = 18,335.20

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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.