Home / 35,278.40-52,921.92-15,561.92

Finding the Fourth Proportional to 35,278.40, 52,921.92 and 15,561.92

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Solution

The fourth proportional to 35,278.40, 52,921.92 and 15,561.92 is: 23,344.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,278.40 : 52,921.92 = 15,561.92 : x
  2. Step 2: Convert to fraction form
    35,278.40/52,921.92 = 15,561.92/x
  3. Step 3: Cross multiply
    35,278.40x = 52,921.92 × 15,561.92
  4. Step 4: Simplify right side
    35,278.40x = 823,566,685.29
  5. Step 5: Solve for x
    x = 823,566,685.29/35,278.40
  6. Step 6: Final answer
    x = 23,344.79

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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.