Home / 25,427.25-38,145.13-7,893.59

Finding the Fourth Proportional to 25,427.25, 38,145.13 and 7,893.59

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Solution

The fourth proportional to 25,427.25, 38,145.13 and 7,893.59 is: 11,841.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,427.25 : 38,145.13 = 7,893.59 : x
  2. Step 2: Convert to fraction form
    25,427.25/38,145.13 = 7,893.59/x
  3. Step 3: Cross multiply
    25,427.25x = 38,145.13 × 7,893.59
  4. Step 4: Simplify right side
    25,427.25x = 301,101,806.26
  5. Step 5: Solve for x
    x = 301,101,806.26/25,427.25
  6. Step 6: Final answer
    x = 11,841.70

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1.5x scale

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.