Home / 26,877.61-40,316.49-8,157.79

Finding the Fourth Proportional to 26,877.61, 40,316.49 and 8,157.79

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Solution

The fourth proportional to 26,877.61, 40,316.49 and 8,157.79 is: 12,236.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,877.61 : 40,316.49 = 8,157.79 : x
  2. Step 2: Convert to fraction form
    26,877.61/40,316.49 = 8,157.79/x
  3. Step 3: Cross multiply
    26,877.61x = 40,316.49 × 8,157.79
  4. Step 4: Simplify right side
    26,877.61x = 328,893,458.96
  5. Step 5: Solve for x
    x = 328,893,458.96/26,877.61
  6. Step 6: Final answer
    x = 12,236.71

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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.