Home / 26,878.91-40,115.12-26,179.07

Finding the Fourth Proportional to 26,878.91, 40,115.12 and 26,179.07

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Solution

The fourth proportional to 26,878.91, 40,115.12 and 26,179.07 is: 39,070.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,878.91 : 40,115.12 = 26,179.07 : x
  2. Step 2: Convert to fraction form
    26,878.91/40,115.12 = 26,179.07/x
  3. Step 3: Cross multiply
    26,878.91x = 40,115.12 × 26,179.07
  4. Step 4: Simplify right side
    26,878.91x = 1,050,176,203.07
  5. Step 5: Solve for x
    x = 1,050,176,203.07/26,878.91
  6. Step 6: Final answer
    x = 39,070.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.