Home / 15,428.28-23,144.04-5,041.92

Finding the Fourth Proportional to 15,428.28, 23,144.04 and 5,041.92

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Solution

The fourth proportional to 15,428.28, 23,144.04 and 5,041.92 is: 7,563.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,428.28 : 23,144.04 = 5,041.92 : x
  2. Step 2: Convert to fraction form
    15,428.28/23,144.04 = 5,041.92/x
  3. Step 3: Cross multiply
    15,428.28x = 23,144.04 × 5,041.92
  4. Step 4: Simplify right side
    15,428.28x = 116,690,398.16
  5. Step 5: Solve for x
    x = 116,690,398.16/15,428.28
  6. Step 6: Final answer
    x = 7,563.41

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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.