Home / 26,222.32-39,310.17-18,808.12

Finding the Fourth Proportional to 26,222.32, 39,310.17 and 18,808.12

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Solution

The fourth proportional to 26,222.32, 39,310.17 and 18,808.12 is: 28,195.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,222.32 : 39,310.17 = 18,808.12 : x
  2. Step 2: Convert to fraction form
    26,222.32/39,310.17 = 18,808.12/x
  3. Step 3: Cross multiply
    26,222.32x = 39,310.17 × 18,808.12
  4. Step 4: Simplify right side
    26,222.32x = 739,350,394.58
  5. Step 5: Solve for x
    x = 739,350,394.58/26,222.32
  6. Step 6: Final answer
    x = 28,195.46

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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.