Home / 25,583.94-38,411.78-13,112.91

Finding the Fourth Proportional to 25,583.94, 38,411.78 and 13,112.91

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Solution

The fourth proportional to 25,583.94, 38,411.78 and 13,112.91 is: 19,687.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,583.94 : 38,411.78 = 13,112.91 : x
  2. Step 2: Convert to fraction form
    25,583.94/38,411.78 = 13,112.91/x
  3. Step 3: Cross multiply
    25,583.94x = 38,411.78 × 13,112.91
  4. Step 4: Simplify right side
    25,583.94x = 503,690,148.52
  5. Step 5: Solve for x
    x = 503,690,148.52/25,583.94
  6. Step 6: Final answer
    x = 19,687.75

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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.