Home / 25,423.86-38,135.39-7,893.71

Finding the Fourth Proportional to 25,423.86, 38,135.39 and 7,893.71

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Solution

The fourth proportional to 25,423.86, 38,135.39 and 7,893.71 is: 11,840.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,423.86 : 38,135.39 = 7,893.71 : x
  2. Step 2: Convert to fraction form
    25,423.86/38,135.39 = 7,893.71/x
  3. Step 3: Cross multiply
    25,423.86x = 38,135.39 × 7,893.71
  4. Step 4: Simplify right side
    25,423.86x = 301,029,574.59
  5. Step 5: Solve for x
    x = 301,029,574.59/25,423.86
  6. Step 6: Final answer
    x = 11,840.43

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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.