Home / 25,658.82-38,436.12-21,487.05

Finding the Fourth Proportional to 25,658.82, 38,436.12 and 21,487.05

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Solution

The fourth proportional to 25,658.82, 38,436.12 and 21,487.05 is: 32,186.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,658.82 : 38,436.12 = 21,487.05 : x
  2. Step 2: Convert to fraction form
    25,658.82/38,436.12 = 21,487.05/x
  3. Step 3: Cross multiply
    25,658.82x = 38,436.12 × 21,487.05
  4. Step 4: Simplify right side
    25,658.82x = 825,878,832.25
  5. Step 5: Solve for x
    x = 825,878,832.25/25,658.82
  6. Step 6: Final answer
    x = 32,186.94

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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.