Home / 23,898.12-32,979.28-13,287.12

Finding the Fourth Proportional to 23,898.12, 32,979.28 and 13,287.12

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Solution

The fourth proportional to 23,898.12, 32,979.28 and 13,287.12 is: 18,336.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,898.12 : 32,979.28 = 13,287.12 : x
  2. Step 2: Convert to fraction form
    23,898.12/32,979.28 = 13,287.12/x
  3. Step 3: Cross multiply
    23,898.12x = 32,979.28 × 13,287.12
  4. Step 4: Simplify right side
    23,898.12x = 438,199,650.87
  5. Step 5: Solve for x
    x = 438,199,650.87/23,898.12
  6. Step 6: Final answer
    x = 18,336.16

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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.