Home / 28,191.92-42,308.33-22,711.46

Finding the Fourth Proportional to 28,191.92, 42,308.33 and 22,711.46

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Solution

The fourth proportional to 28,191.92, 42,308.33 and 22,711.46 is: 34,083.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,191.92 : 42,308.33 = 22,711.46 : x
  2. Step 2: Convert to fraction form
    28,191.92/42,308.33 = 22,711.46/x
  3. Step 3: Cross multiply
    28,191.92x = 42,308.33 × 22,711.46
  4. Step 4: Simplify right side
    28,191.92x = 960,883,619.36
  5. Step 5: Solve for x
    x = 960,883,619.36/28,191.92
  6. Step 6: Final answer
    x = 34,083.66

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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.