Home / 26,785.26-40,178.28-10,140.82

Finding the Fourth Proportional to 26,785.26, 40,178.28 and 10,140.82

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Solution

The fourth proportional to 26,785.26, 40,178.28 and 10,140.82 is: 15,211.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,785.26 : 40,178.28 = 10,140.82 : x
  2. Step 2: Convert to fraction form
    26,785.26/40,178.28 = 10,140.82/x
  3. Step 3: Cross multiply
    26,785.26x = 40,178.28 × 10,140.82
  4. Step 4: Simplify right side
    26,785.26x = 407,440,755.61
  5. Step 5: Solve for x
    x = 407,440,755.61/26,785.26
  6. Step 6: Final answer
    x = 15,211.38

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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.