Home / 23,365.80-34,869.88-20,872.62

Finding the Fourth Proportional to 23,365.80, 34,869.88 and 20,872.62

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Solution

The fourth proportional to 23,365.80, 34,869.88 and 20,872.62 is: 31,149.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,365.80 : 34,869.88 = 20,872.62 : x
  2. Step 2: Convert to fraction form
    23,365.80/34,869.88 = 20,872.62/x
  3. Step 3: Cross multiply
    23,365.80x = 34,869.88 × 20,872.62
  4. Step 4: Simplify right side
    23,365.80x = 727,825,702.50
  5. Step 5: Solve for x
    x = 727,825,702.50/23,365.80
  6. Step 6: Final answer
    x = 31,149.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.