Home / 23,898.13-32,979.22-13,287.67

Finding the Fourth Proportional to 23,898.13, 32,979.22 and 13,287.67

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Solution

The fourth proportional to 23,898.13, 32,979.22 and 13,287.67 is: 18,336.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,898.13 : 32,979.22 = 13,287.67 : x
  2. Step 2: Convert to fraction form
    23,898.13/32,979.22 = 13,287.67/x
  3. Step 3: Cross multiply
    23,898.13x = 32,979.22 × 13,287.67
  4. Step 4: Simplify right side
    23,898.13x = 438,217,078.97
  5. Step 5: Solve for x
    x = 438,217,078.97/23,898.13
  6. Step 6: Final answer
    x = 18,336.88

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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.