Home / 25,471.86-38,193.57-20,240.34

Finding the Fourth Proportional to 25,471.86, 38,193.57 and 20,240.34

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Solution

The fourth proportional to 25,471.86, 38,193.57 and 20,240.34 is: 30,349.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,471.86 : 38,193.57 = 20,240.34 : x
  2. Step 2: Convert to fraction form
    25,471.86/38,193.57 = 20,240.34/x
  3. Step 3: Cross multiply
    25,471.86x = 38,193.57 × 20,240.34
  4. Step 4: Simplify right side
    25,471.86x = 773,050,842.61
  5. Step 5: Solve for x
    x = 773,050,842.61/25,471.86
  6. Step 6: Final answer
    x = 30,349.21

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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.