Home / 25,727.05-38,638.10-15,402.25

Finding the Fourth Proportional to 25,727.05, 38,638.10 and 15,402.25

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Solution

The fourth proportional to 25,727.05, 38,638.10 and 15,402.25 is: 23,131.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,727.05 : 38,638.10 = 15,402.25 : x
  2. Step 2: Convert to fraction form
    25,727.05/38,638.10 = 15,402.25/x
  3. Step 3: Cross multiply
    25,727.05x = 38,638.10 × 15,402.25
  4. Step 4: Simplify right side
    25,727.05x = 595,113,675.73
  5. Step 5: Solve for x
    x = 595,113,675.73/25,727.05
  6. Step 6: Final answer
    x = 23,131.83

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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.