Home / 28,086.19-42,140.75-18,096.16

Finding the Fourth Proportional to 28,086.19, 42,140.75 and 18,096.16

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Solution

The fourth proportional to 28,086.19, 42,140.75 and 18,096.16 is: 27,151.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,086.19 : 42,140.75 = 18,096.16 : x
  2. Step 2: Convert to fraction form
    28,086.19/42,140.75 = 18,096.16/x
  3. Step 3: Cross multiply
    28,086.19x = 42,140.75 × 18,096.16
  4. Step 4: Simplify right side
    28,086.19x = 762,585,754.52
  5. Step 5: Solve for x
    x = 762,585,754.52/28,086.19
  6. Step 6: Final answer
    x = 27,151.63

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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.