Home / 15,948.78-23,928.30-4,857.61

Finding the Fourth Proportional to 15,948.78, 23,928.30 and 4,857.61

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Solution

The fourth proportional to 15,948.78, 23,928.30 and 4,857.61 is: 7,287.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,948.78 : 23,928.30 = 4,857.61 : x
  2. Step 2: Convert to fraction form
    15,948.78/23,928.30 = 4,857.61/x
  3. Step 3: Cross multiply
    15,948.78x = 23,928.30 × 4,857.61
  4. Step 4: Simplify right side
    15,948.78x = 116,234,349.36
  5. Step 5: Solve for x
    x = 116,234,349.36/15,948.78
  6. Step 6: Final answer
    x = 7,287.98

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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.