Home / 28,704.48-43,115.04-21,006.24

Finding the Fourth Proportional to 28,704.48, 43,115.04 and 21,006.24

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Solution

The fourth proportional to 28,704.48, 43,115.04 and 21,006.24 is: 31,552.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,704.48 : 43,115.04 = 21,006.24 : x
  2. Step 2: Convert to fraction form
    28,704.48/43,115.04 = 21,006.24/x
  3. Step 3: Cross multiply
    28,704.48x = 43,115.04 × 21,006.24
  4. Step 4: Simplify right side
    28,704.48x = 905,684,877.85
  5. Step 5: Solve for x
    x = 905,684,877.85/28,704.48
  6. Step 6: Final answer
    x = 31,552.04

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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.