Home / 20,740.13-28,627.50-17,937.62

Finding the Fourth Proportional to 20,740.13, 28,627.50 and 17,937.62

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Solution

The fourth proportional to 20,740.13, 28,627.50 and 17,937.62 is: 24,759.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,740.13 : 28,627.50 = 17,937.62 : x
  2. Step 2: Convert to fraction form
    20,740.13/28,627.50 = 17,937.62/x
  3. Step 3: Cross multiply
    20,740.13x = 28,627.50 × 17,937.62
  4. Step 4: Simplify right side
    20,740.13x = 513,509,216.55
  5. Step 5: Solve for x
    x = 513,509,216.55/20,740.13
  6. Step 6: Final answer
    x = 24,759.21

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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.