Home / 40,738.07-60,979.25-28,013.58

Finding the Fourth Proportional to 40,738.07, 60,979.25 and 28,013.58

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Solution

The fourth proportional to 40,738.07, 60,979.25 and 28,013.58 is: 41,932.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,738.07 : 60,979.25 = 28,013.58 : x
  2. Step 2: Convert to fraction form
    40,738.07/60,979.25 = 28,013.58/x
  3. Step 3: Cross multiply
    40,738.07x = 60,979.25 × 28,013.58
  4. Step 4: Simplify right side
    40,738.07x = 1,708,247,168.25
  5. Step 5: Solve for x
    x = 1,708,247,168.25/40,738.07
  6. Step 6: Final answer
    x = 41,932.45

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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.