Home / 28,466.80-42,751.40-27,545.20

Finding the Fourth Proportional to 28,466.80, 42,751.40 and 27,545.20

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Solution

The fourth proportional to 28,466.80, 42,751.40 and 27,545.20 is: 41,367.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,466.80 : 42,751.40 = 27,545.20 : x
  2. Step 2: Convert to fraction form
    28,466.80/42,751.40 = 27,545.20/x
  3. Step 3: Cross multiply
    28,466.80x = 42,751.40 × 27,545.20
  4. Step 4: Simplify right side
    28,466.80x = 1,177,595,863.28
  5. Step 5: Solve for x
    x = 1,177,595,863.28/28,466.80
  6. Step 6: Final answer
    x = 41,367.34

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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.