Home / 40,728.38-56,186.15-25,629.36

Finding the Fourth Proportional to 40,728.38, 56,186.15 and 25,629.36

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Solution

The fourth proportional to 40,728.38, 56,186.15 and 25,629.36 is: 35,356.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,728.38 : 56,186.15 = 25,629.36 : x
  2. Step 2: Convert to fraction form
    40,728.38/56,186.15 = 25,629.36/x
  3. Step 3: Cross multiply
    40,728.38x = 56,186.15 × 25,629.36
  4. Step 4: Simplify right side
    40,728.38x = 1,440,014,937.22
  5. Step 5: Solve for x
    x = 1,440,014,937.22/40,728.38
  6. Step 6: Final answer
    x = 35,356.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.