Home / 28,970.20-39,976.50-17,034.04

Finding the Fourth Proportional to 28,970.20, 39,976.50 and 17,034.04

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Solution

The fourth proportional to 28,970.20, 39,976.50 and 17,034.04 is: 23,505.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,970.20 : 39,976.50 = 17,034.04 : x
  2. Step 2: Convert to fraction form
    28,970.20/39,976.50 = 17,034.04/x
  3. Step 3: Cross multiply
    28,970.20x = 39,976.50 × 17,034.04
  4. Step 4: Simplify right side
    28,970.20x = 680,961,300.06
  5. Step 5: Solve for x
    x = 680,961,300.06/28,970.20
  6. Step 6: Final answer
    x = 23,505.58

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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.