Home / 26,381.81-39,591.66-10,373.78

Finding the Fourth Proportional to 26,381.81, 39,591.66 and 10,373.78

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Solution

The fourth proportional to 26,381.81, 39,591.66 and 10,373.78 is: 15,568.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,381.81 : 39,591.66 = 10,373.78 : x
  2. Step 2: Convert to fraction form
    26,381.81/39,591.66 = 10,373.78/x
  3. Step 3: Cross multiply
    26,381.81x = 39,591.66 × 10,373.78
  4. Step 4: Simplify right side
    26,381.81x = 410,715,170.67
  5. Step 5: Solve for x
    x = 410,715,170.67/26,381.81
  6. Step 6: Final answer
    x = 15,568.12

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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.