Home / 36,931.12-55,384.80-15,865.44

Finding the Fourth Proportional to 36,931.12, 55,384.80 and 15,865.44

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Solution

The fourth proportional to 36,931.12, 55,384.80 and 15,865.44 is: 23,793.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,931.12 : 55,384.80 = 15,865.44 : x
  2. Step 2: Convert to fraction form
    36,931.12/55,384.80 = 15,865.44/x
  3. Step 3: Cross multiply
    36,931.12x = 55,384.80 × 15,865.44
  4. Step 4: Simplify right side
    36,931.12x = 878,704,221.31
  5. Step 5: Solve for x
    x = 878,704,221.31/36,931.12
  6. Step 6: Final answer
    x = 23,793.06

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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.