Home / 18,984.16-28,436.56-15,266.28

Finding the Fourth Proportional to 18,984.16, 28,436.56 and 15,266.28

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Solution

The fourth proportional to 18,984.16, 28,436.56 and 15,266.28 is: 22,867.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,984.16 : 28,436.56 = 15,266.28 : x
  2. Step 2: Convert to fraction form
    18,984.16/28,436.56 = 15,266.28/x
  3. Step 3: Cross multiply
    18,984.16x = 28,436.56 × 15,266.28
  4. Step 4: Simplify right side
    18,984.16x = 434,120,487.20
  5. Step 5: Solve for x
    x = 434,120,487.20/18,984.16
  6. Step 6: Final answer
    x = 22,867.51

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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.