Home / 25,434.74-38,139.80-8,788.94

Finding the Fourth Proportional to 25,434.74, 38,139.80 and 8,788.94

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Solution

The fourth proportional to 25,434.74, 38,139.80 and 8,788.94 is: 13,179.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,434.74 : 38,139.80 = 8,788.94 : x
  2. Step 2: Convert to fraction form
    25,434.74/38,139.80 = 8,788.94/x
  3. Step 3: Cross multiply
    25,434.74x = 38,139.80 × 8,788.94
  4. Step 4: Simplify right side
    25,434.74x = 335,208,245.09
  5. Step 5: Solve for x
    x = 335,208,245.09/25,434.74
  6. Step 6: Final answer
    x = 13,179.15

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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.