Home / 28,734.68-39,644.62-17,400.55

Finding the Fourth Proportional to 28,734.68, 39,644.62 and 17,400.55

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Solution

The fourth proportional to 28,734.68, 39,644.62 and 17,400.55 is: 24,007.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,734.68 : 39,644.62 = 17,400.55 : x
  2. Step 2: Convert to fraction form
    28,734.68/39,644.62 = 17,400.55/x
  3. Step 3: Cross multiply
    28,734.68x = 39,644.62 × 17,400.55
  4. Step 4: Simplify right side
    28,734.68x = 689,838,192.54
  5. Step 5: Solve for x
    x = 689,838,192.54/28,734.68
  6. Step 6: Final answer
    x = 24,007.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.