Home / 25,243.46-34,836.04-15,172.10

Finding the Fourth Proportional to 25,243.46, 34,836.04 and 15,172.10

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Solution

The fourth proportional to 25,243.46, 34,836.04 and 15,172.10 is: 20,937.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,243.46 : 34,836.04 = 15,172.10 : x
  2. Step 2: Convert to fraction form
    25,243.46/34,836.04 = 15,172.10/x
  3. Step 3: Cross multiply
    25,243.46x = 34,836.04 × 15,172.10
  4. Step 4: Simplify right side
    25,243.46x = 528,535,882.48
  5. Step 5: Solve for x
    x = 528,535,882.48/25,243.46
  6. Step 6: Final answer
    x = 20,937.54

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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.