Home / 40,278.72-60,418.10-15,313.00

Finding the Fourth Proportional to 40,278.72, 60,418.10 and 15,313.00

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Solution

The fourth proportional to 40,278.72, 60,418.10 and 15,313.00 is: 22,969.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,278.72 : 60,418.10 = 15,313.00 : x
  2. Step 2: Convert to fraction form
    40,278.72/60,418.10 = 15,313.00/x
  3. Step 3: Cross multiply
    40,278.72x = 60,418.10 × 15,313.00
  4. Step 4: Simplify right side
    40,278.72x = 925,182,365.82
  5. Step 5: Solve for x
    x = 925,182,365.82/40,278.72
  6. Step 6: Final answer
    x = 22,969.51

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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.