Home / 22,272.24-33,153.76-21,940

Finding the Fourth Proportional to 22,272.24, 33,153.76 and 21,940

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Solution

The fourth proportional to 22,272.24, 33,153.76 and 21,940 is: 32,659.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,272.24 : 33,153.76 = 21,940 : x
  2. Step 2: Convert to fraction form
    22,272.24/33,153.76 = 21,940/x
  3. Step 3: Cross multiply
    22,272.24x = 33,153.76 × 21,940
  4. Step 4: Simplify right side
    22,272.24x = 727,393,494.40
  5. Step 5: Solve for x
    x = 727,393,494.40/22,272.24
  6. Step 6: Final answer
    x = 32,659.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.