Home / 22,200.90-33,301.35-21,326.10

Finding the Fourth Proportional to 22,200.90, 33,301.35 and 21,326.10

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Solution

The fourth proportional to 22,200.90, 33,301.35 and 21,326.10 is: 31,989.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,200.90 : 33,301.35 = 21,326.10 : x
  2. Step 2: Convert to fraction form
    22,200.90/33,301.35 = 21,326.10/x
  3. Step 3: Cross multiply
    22,200.90x = 33,301.35 × 21,326.10
  4. Step 4: Simplify right side
    22,200.90x = 710,187,920.24
  5. Step 5: Solve for x
    x = 710,187,920.24/22,200.90
  6. Step 6: Final answer
    x = 31,989.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.