Home / 26,876.61-40,314.99-8,156.79

Finding the Fourth Proportional to 26,876.61, 40,314.99 and 8,156.79

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Solution

The fourth proportional to 26,876.61, 40,314.99 and 8,156.79 is: 12,235.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,876.61 : 40,314.99 = 8,156.79 : x
  2. Step 2: Convert to fraction form
    26,876.61/40,314.99 = 8,156.79/x
  3. Step 3: Cross multiply
    26,876.61x = 40,314.99 × 8,156.79
  4. Step 4: Simplify right side
    26,876.61x = 328,840,907.28
  5. Step 5: Solve for x
    x = 328,840,907.28/26,876.61
  6. Step 6: Final answer
    x = 12,235.21

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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.