Home / 22,238.66-30,508.42-21,657.62

Finding the Fourth Proportional to 22,238.66, 30,508.42 and 21,657.62

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Solution

The fourth proportional to 22,238.66, 30,508.42 and 21,657.62 is: 29,711.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,238.66 : 30,508.42 = 21,657.62 : x
  2. Step 2: Convert to fraction form
    22,238.66/30,508.42 = 21,657.62/x
  3. Step 3: Cross multiply
    22,238.66x = 30,508.42 × 21,657.62
  4. Step 4: Simplify right side
    22,238.66x = 660,739,767.16
  5. Step 5: Solve for x
    x = 660,739,767.16/22,238.66
  6. Step 6: Final answer
    x = 29,711.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.