Home / 55,297.32-82,931.28-15,843.84

Finding the Fourth Proportional to 55,297.32, 82,931.28 and 15,843.84

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Solution

The fourth proportional to 55,297.32, 82,931.28 and 15,843.84 is: 23,761.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,297.32 : 82,931.28 = 15,843.84 : x
  2. Step 2: Convert to fraction form
    55,297.32/82,931.28 = 15,843.84/x
  3. Step 3: Cross multiply
    55,297.32x = 82,931.28 × 15,843.84
  4. Step 4: Simplify right side
    55,297.32x = 1,313,949,931.32
  5. Step 5: Solve for x
    x = 1,313,949,931.32/55,297.32
  6. Step 6: Final answer
    x = 23,761.55

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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.