Home / 38,828.16-58,143.42-25,660.80

Finding the Fourth Proportional to 38,828.16, 58,143.42 and 25,660.80

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Solution

The fourth proportional to 38,828.16, 58,143.42 and 25,660.80 is: 38,425.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,828.16 : 58,143.42 = 25,660.80 : x
  2. Step 2: Convert to fraction form
    38,828.16/58,143.42 = 25,660.80/x
  3. Step 3: Cross multiply
    38,828.16x = 58,143.42 × 25,660.80
  4. Step 4: Simplify right side
    38,828.16x = 1,492,006,671.94
  5. Step 5: Solve for x
    x = 1,492,006,671.94/38,828.16
  6. Step 6: Final answer
    x = 38,425.89

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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.