Home / 15,423.28-23,138.58-5,035

Finding the Fourth Proportional to 15,423.28, 23,138.58 and 5,035

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Solution

The fourth proportional to 15,423.28, 23,138.58 and 5,035 is: 7,553.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,423.28 : 23,138.58 = 5,035 : x
  2. Step 2: Convert to fraction form
    15,423.28/23,138.58 = 5,035/x
  3. Step 3: Cross multiply
    15,423.28x = 23,138.58 × 5,035
  4. Step 4: Simplify right side
    15,423.28x = 116,502,750.30
  5. Step 5: Solve for x
    x = 116,502,750.30/15,423.28
  6. Step 6: Final answer
    x = 7,553.69

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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.