Home / 22,237.80-33,308.10-19,775.40

Finding the Fourth Proportional to 22,237.80, 33,308.10 and 19,775.40

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Solution

The fourth proportional to 22,237.80, 33,308.10 and 19,775.40 is: 29,619.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,237.80 : 33,308.10 = 19,775.40 : x
  2. Step 2: Convert to fraction form
    22,237.80/33,308.10 = 19,775.40/x
  3. Step 3: Cross multiply
    22,237.80x = 33,308.10 × 19,775.40
  4. Step 4: Simplify right side
    22,237.80x = 658,681,000.74
  5. Step 5: Solve for x
    x = 658,681,000.74/22,237.80
  6. Step 6: Final answer
    x = 29,619.88

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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.