Home / 22,546.91-31,127.16-16,879.62

Finding the Fourth Proportional to 22,546.91, 31,127.16 and 16,879.62

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Solution

The fourth proportional to 22,546.91, 31,127.16 and 16,879.62 is: 23,303.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,546.91 : 31,127.16 = 16,879.62 : x
  2. Step 2: Convert to fraction form
    22,546.91/31,127.16 = 16,879.62/x
  3. Step 3: Cross multiply
    22,546.91x = 31,127.16 × 16,879.62
  4. Step 4: Simplify right side
    22,546.91x = 525,414,632.48
  5. Step 5: Solve for x
    x = 525,414,632.48/22,546.91
  6. Step 6: Final answer
    x = 23,303.18

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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.