Home / 26,878.43-40,304.59-8,155.08

Finding the Fourth Proportional to 26,878.43, 40,304.59 and 8,155.08

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Solution

The fourth proportional to 26,878.43, 40,304.59 and 8,155.08 is: 12,228.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,878.43 : 40,304.59 = 8,155.08 : x
  2. Step 2: Convert to fraction form
    26,878.43/40,304.59 = 8,155.08/x
  3. Step 3: Cross multiply
    26,878.43x = 40,304.59 × 8,155.08
  4. Step 4: Simplify right side
    26,878.43x = 328,687,135.43
  5. Step 5: Solve for x
    x = 328,687,135.43/26,878.43
  6. Step 6: Final answer
    x = 12,228.66

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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.