Home / 28,680.76-42,972.60-17,564.23

Finding the Fourth Proportional to 28,680.76, 42,972.60 and 17,564.23

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Solution

The fourth proportional to 28,680.76, 42,972.60 and 17,564.23 is: 26,316.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,680.76 : 42,972.60 = 17,564.23 : x
  2. Step 2: Convert to fraction form
    28,680.76/42,972.60 = 17,564.23/x
  3. Step 3: Cross multiply
    28,680.76x = 42,972.60 × 17,564.23
  4. Step 4: Simplify right side
    28,680.76x = 754,780,630.10
  5. Step 5: Solve for x
    x = 754,780,630.10/28,680.76
  6. Step 6: Final answer
    x = 26,316.62

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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.