Home / 40,921.32-61,357.28-15,956.58

Finding the Fourth Proportional to 40,921.32, 61,357.28 and 15,956.58

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Solution

The fourth proportional to 40,921.32, 61,357.28 and 15,956.58 is: 23,925.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,921.32 : 61,357.28 = 15,956.58 : x
  2. Step 2: Convert to fraction form
    40,921.32/61,357.28 = 15,956.58/x
  3. Step 3: Cross multiply
    40,921.32x = 61,357.28 × 15,956.58
  4. Step 4: Simplify right side
    40,921.32x = 979,052,586.97
  5. Step 5: Solve for x
    x = 979,052,586.97/40,921.32
  6. Step 6: Final answer
    x = 23,925.24

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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.