Home / 25,514.32-38,189.60-13,638.46

Finding the Fourth Proportional to 25,514.32, 38,189.60 and 13,638.46

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Solution

The fourth proportional to 25,514.32, 38,189.60 and 13,638.46 is: 20,413.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,514.32 : 38,189.60 = 13,638.46 : x
  2. Step 2: Convert to fraction form
    25,514.32/38,189.60 = 13,638.46/x
  3. Step 3: Cross multiply
    25,514.32x = 38,189.60 × 13,638.46
  4. Step 4: Simplify right side
    25,514.32x = 520,847,332.02
  5. Step 5: Solve for x
    x = 520,847,332.02/25,514.32
  6. Step 6: Final answer
    x = 20,413.92

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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.