Home / 28,122.80-38,720.92-23,865.44

Finding the Fourth Proportional to 28,122.80, 38,720.92 and 23,865.44

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Solution

The fourth proportional to 28,122.80, 38,720.92 and 23,865.44 is: 32,859.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,122.80 : 38,720.92 = 23,865.44 : x
  2. Step 2: Convert to fraction form
    28,122.80/38,720.92 = 23,865.44/x
  3. Step 3: Cross multiply
    28,122.80x = 38,720.92 × 23,865.44
  4. Step 4: Simplify right side
    28,122.80x = 924,091,793.00
  5. Step 5: Solve for x
    x = 924,091,793.00/28,122.80
  6. Step 6: Final answer
    x = 32,859.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.