Home / 22,479.40-31,024.65-13,047.96

Finding the Fourth Proportional to 22,479.40, 31,024.65 and 13,047.96

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Solution

The fourth proportional to 22,479.40, 31,024.65 and 13,047.96 is: 18,007.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,479.40 : 31,024.65 = 13,047.96 : x
  2. Step 2: Convert to fraction form
    22,479.40/31,024.65 = 13,047.96/x
  3. Step 3: Cross multiply
    22,479.40x = 31,024.65 × 13,047.96
  4. Step 4: Simplify right side
    22,479.40x = 404,808,360.14
  5. Step 5: Solve for x
    x = 404,808,360.14/22,479.40
  6. Step 6: Final answer
    x = 18,007.97

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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.