Home / 25,228.20-37,842.24-13,990.41

Finding the Fourth Proportional to 25,228.20, 37,842.24 and 13,990.41

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Solution

The fourth proportional to 25,228.20, 37,842.24 and 13,990.41 is: 20,985.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,228.20 : 37,842.24 = 13,990.41 : x
  2. Step 2: Convert to fraction form
    25,228.20/37,842.24 = 13,990.41/x
  3. Step 3: Cross multiply
    25,228.20x = 37,842.24 × 13,990.41
  4. Step 4: Simplify right side
    25,228.20x = 529,428,452.92
  5. Step 5: Solve for x
    x = 529,428,452.92/25,228.20
  6. Step 6: Final answer
    x = 20,985.58

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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.