Home / 26,484.11-39,689.25-19,902.60

Finding the Fourth Proportional to 26,484.11, 39,689.25 and 19,902.60

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Solution

The fourth proportional to 26,484.11, 39,689.25 and 19,902.60 is: 29,826.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,484.11 : 39,689.25 = 19,902.60 : x
  2. Step 2: Convert to fraction form
    26,484.11/39,689.25 = 19,902.60/x
  3. Step 3: Cross multiply
    26,484.11x = 39,689.25 × 19,902.60
  4. Step 4: Simplify right side
    26,484.11x = 789,919,192.42
  5. Step 5: Solve for x
    x = 789,919,192.42/26,484.11
  6. Step 6: Final answer
    x = 29,826.16

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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.