Home / 25,438.92-38,054.62-20,514.12

Finding the Fourth Proportional to 25,438.92, 38,054.62 and 20,514.12

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Solution

The fourth proportional to 25,438.92, 38,054.62 and 20,514.12 is: 30,687.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,438.92 : 38,054.62 = 20,514.12 : x
  2. Step 2: Convert to fraction form
    25,438.92/38,054.62 = 20,514.12/x
  3. Step 3: Cross multiply
    25,438.92x = 38,054.62 × 20,514.12
  4. Step 4: Simplify right side
    25,438.92x = 780,657,041.23
  5. Step 5: Solve for x
    x = 780,657,041.23/25,438.92
  6. Step 6: Final answer
    x = 30,687.51

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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.