Home / 26,778.72-40,177.80-9,250.32

Finding the Fourth Proportional to 26,778.72, 40,177.80 and 9,250.32

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Solution

The fourth proportional to 26,778.72, 40,177.80 and 9,250.32 is: 13,878.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,778.72 : 40,177.80 = 9,250.32 : x
  2. Step 2: Convert to fraction form
    26,778.72/40,177.80 = 9,250.32/x
  3. Step 3: Cross multiply
    26,778.72x = 40,177.80 × 9,250.32
  4. Step 4: Simplify right side
    26,778.72x = 371,657,506.90
  5. Step 5: Solve for x
    x = 371,657,506.90/26,778.72
  6. Step 6: Final answer
    x = 13,878.84

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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.