Home / 28,350.26-42,442.35-22,385.45

Finding the Fourth Proportional to 28,350.26, 42,442.35 and 22,385.45

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Solution

The fourth proportional to 28,350.26, 42,442.35 and 22,385.45 is: 33,512.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,350.26 : 42,442.35 = 22,385.45 : x
  2. Step 2: Convert to fraction form
    28,350.26/42,442.35 = 22,385.45/x
  3. Step 3: Cross multiply
    28,350.26x = 42,442.35 × 22,385.45
  4. Step 4: Simplify right side
    28,350.26x = 950,090,891.60
  5. Step 5: Solve for x
    x = 950,090,891.60/28,350.26
  6. Step 6: Final answer
    x = 33,512.60

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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.