Home / 15,428.68-23,143.10-3,741.92

Finding the Fourth Proportional to 15,428.68, 23,143.10 and 3,741.92

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Solution

The fourth proportional to 15,428.68, 23,143.10 and 3,741.92 is: 5,612.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,428.68 : 23,143.10 = 3,741.92 : x
  2. Step 2: Convert to fraction form
    15,428.68/23,143.10 = 3,741.92/x
  3. Step 3: Cross multiply
    15,428.68x = 23,143.10 × 3,741.92
  4. Step 4: Simplify right side
    15,428.68x = 86,599,628.75
  5. Step 5: Solve for x
    x = 86,599,628.75/15,428.68
  6. Step 6: Final answer
    x = 5,612.90

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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.