Home / 25,570.26-38,322.27-20,641.86

Finding the Fourth Proportional to 25,570.26, 38,322.27 and 20,641.86

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Solution

The fourth proportional to 25,570.26, 38,322.27 and 20,641.86 is: 30,936.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,570.26 : 38,322.27 = 20,641.86 : x
  2. Step 2: Convert to fraction form
    25,570.26/38,322.27 = 20,641.86/x
  3. Step 3: Cross multiply
    25,570.26x = 38,322.27 × 20,641.86
  4. Step 4: Simplify right side
    25,570.26x = 791,042,932.22
  5. Step 5: Solve for x
    x = 791,042,932.22/25,570.26
  6. Step 6: Final answer
    x = 30,936.05

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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.