Home / 22,182.90-33,274.35-21,308.10

Finding the Fourth Proportional to 22,182.90, 33,274.35 and 21,308.10

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Solution

The fourth proportional to 22,182.90, 33,274.35 and 21,308.10 is: 31,962.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,182.90 : 33,274.35 = 21,308.10 : x
  2. Step 2: Convert to fraction form
    22,182.90/33,274.35 = 21,308.10/x
  3. Step 3: Cross multiply
    22,182.90x = 33,274.35 × 21,308.10
  4. Step 4: Simplify right side
    22,182.90x = 709,013,177.24
  5. Step 5: Solve for x
    x = 709,013,177.24/22,182.90
  6. Step 6: Final answer
    x = 31,962.15

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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.