Home / 26,410.82-39,616.40-6,689.43

Finding the Fourth Proportional to 26,410.82, 39,616.40 and 6,689.43

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Solution

The fourth proportional to 26,410.82, 39,616.40 and 6,689.43 is: 10,034.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,410.82 : 39,616.40 = 6,689.43 : x
  2. Step 2: Convert to fraction form
    26,410.82/39,616.40 = 6,689.43/x
  3. Step 3: Cross multiply
    26,410.82x = 39,616.40 × 6,689.43
  4. Step 4: Simplify right side
    26,410.82x = 265,011,151.38
  5. Step 5: Solve for x
    x = 265,011,151.38/26,410.82
  6. Step 6: Final answer
    x = 10,034.19

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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.