Home / 25,917.81-38,863.80-10,113.39

Finding the Fourth Proportional to 25,917.81, 38,863.80 and 10,113.39

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Solution

The fourth proportional to 25,917.81, 38,863.80 and 10,113.39 is: 15,165.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,917.81 : 38,863.80 = 10,113.39 : x
  2. Step 2: Convert to fraction form
    25,917.81/38,863.80 = 10,113.39/x
  3. Step 3: Cross multiply
    25,917.81x = 38,863.80 × 10,113.39
  4. Step 4: Simplify right side
    25,917.81x = 393,044,766.28
  5. Step 5: Solve for x
    x = 393,044,766.28/25,917.81
  6. Step 6: Final answer
    x = 15,165.05

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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.