Home / 28,338.04-42,498.42-22,778.20

Finding the Fourth Proportional to 28,338.04, 42,498.42 and 22,778.20

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Solution

The fourth proportional to 28,338.04, 42,498.42 and 22,778.20 is: 34,160.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,338.04 : 42,498.42 = 22,778.20 : x
  2. Step 2: Convert to fraction form
    28,338.04/42,498.42 = 22,778.20/x
  3. Step 3: Cross multiply
    28,338.04x = 42,498.42 × 22,778.20
  4. Step 4: Simplify right side
    28,338.04x = 968,037,510.44
  5. Step 5: Solve for x
    x = 968,037,510.44/28,338.04
  6. Step 6: Final answer
    x = 34,160.36

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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.