Home / 15,428.28-23,142.42-3,741.48

Finding the Fourth Proportional to 15,428.28, 23,142.42 and 3,741.48

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Solution

The fourth proportional to 15,428.28, 23,142.42 and 3,741.48 is: 5,612.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,428.28 : 23,142.42 = 3,741.48 : x
  2. Step 2: Convert to fraction form
    15,428.28/23,142.42 = 3,741.48/x
  3. Step 3: Cross multiply
    15,428.28x = 23,142.42 × 3,741.48
  4. Step 4: Simplify right side
    15,428.28x = 86,586,901.58
  5. Step 5: Solve for x
    x = 86,586,901.58/15,428.28
  6. Step 6: Final answer
    x = 5,612.22

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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.