Home / 26,728.95-40,062.42-10,078.32

Finding the Fourth Proportional to 26,728.95, 40,062.42 and 10,078.32

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Solution

The fourth proportional to 26,728.95, 40,062.42 and 10,078.32 is: 15,105.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,728.95 : 40,062.42 = 10,078.32 : x
  2. Step 2: Convert to fraction form
    26,728.95/40,062.42 = 10,078.32/x
  3. Step 3: Cross multiply
    26,728.95x = 40,062.42 × 10,078.32
  4. Step 4: Simplify right side
    26,728.95x = 403,761,888.73
  5. Step 5: Solve for x
    x = 403,761,888.73/26,728.95
  6. Step 6: Final answer
    x = 15,105.79

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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.