Home / 26,854.61-40,278.74-7,134.68

Finding the Fourth Proportional to 26,854.61, 40,278.74 and 7,134.68

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Solution

The fourth proportional to 26,854.61, 40,278.74 and 7,134.68 is: 10,701.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,854.61 : 40,278.74 = 7,134.68 : x
  2. Step 2: Convert to fraction form
    26,854.61/40,278.74 = 7,134.68/x
  3. Step 3: Cross multiply
    26,854.61x = 40,278.74 × 7,134.68
  4. Step 4: Simplify right side
    26,854.61x = 287,375,683.64
  5. Step 5: Solve for x
    x = 287,375,683.64/26,854.61
  6. Step 6: Final answer
    x = 10,701.17

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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.