Home / 26,035.11-35,926.25-15,278.87

Finding the Fourth Proportional to 26,035.11, 35,926.25 and 15,278.87

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Solution

The fourth proportional to 26,035.11, 35,926.25 and 15,278.87 is: 21,083.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,035.11 : 35,926.25 = 15,278.87 : x
  2. Step 2: Convert to fraction form
    26,035.11/35,926.25 = 15,278.87/x
  3. Step 3: Cross multiply
    26,035.11x = 35,926.25 × 15,278.87
  4. Step 4: Simplify right side
    26,035.11x = 548,912,516.76
  5. Step 5: Solve for x
    x = 548,912,516.76/26,035.11
  6. Step 6: Final answer
    x = 21,083.55

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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.