Home / 26,877.72-40,316.64-8,157.92

Finding the Fourth Proportional to 26,877.72, 40,316.64 and 8,157.92

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Solution

The fourth proportional to 26,877.72, 40,316.64 and 8,157.92 is: 12,236.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,877.72 : 40,316.64 = 8,157.92 : x
  2. Step 2: Convert to fraction form
    26,877.72/40,316.64 = 8,157.92/x
  3. Step 3: Cross multiply
    26,877.72x = 40,316.64 × 8,157.92
  4. Step 4: Simplify right side
    26,877.72x = 328,899,691.61
  5. Step 5: Solve for x
    x = 328,899,691.61/26,877.72
  6. Step 6: Final answer
    x = 12,236.89

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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.