Home / 28,920.08-43,380.12-15,096.08

Finding the Fourth Proportional to 28,920.08, 43,380.12 and 15,096.08

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Solution

The fourth proportional to 28,920.08, 43,380.12 and 15,096.08 is: 22,644.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,920.08 : 43,380.12 = 15,096.08 : x
  2. Step 2: Convert to fraction form
    28,920.08/43,380.12 = 15,096.08/x
  3. Step 3: Cross multiply
    28,920.08x = 43,380.12 × 15,096.08
  4. Step 4: Simplify right side
    28,920.08x = 654,869,761.93
  5. Step 5: Solve for x
    x = 654,869,761.93/28,920.08
  6. Step 6: Final answer
    x = 22,644.12

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1.5x scale

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.