Home / 21,972.26-32,962.66-7,177.22

Finding the Fourth Proportional to 21,972.26, 32,962.66 and 7,177.22

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Solution

The fourth proportional to 21,972.26, 32,962.66 and 7,177.22 is: 10,767.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,972.26 : 32,962.66 = 7,177.22 : x
  2. Step 2: Convert to fraction form
    21,972.26/32,962.66 = 7,177.22/x
  3. Step 3: Cross multiply
    21,972.26x = 32,962.66 × 7,177.22
  4. Step 4: Simplify right side
    21,972.26x = 236,580,262.61
  5. Step 5: Solve for x
    x = 236,580,262.61/21,972.26
  6. Step 6: Final answer
    x = 10,767.22

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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.