Home / 25,851.44-38,781.48-10,269.20

Finding the Fourth Proportional to 25,851.44, 38,781.48 and 10,269.20

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Solution

The fourth proportional to 25,851.44, 38,781.48 and 10,269.20 is: 15,405.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,851.44 : 38,781.48 = 10,269.20 : x
  2. Step 2: Convert to fraction form
    25,851.44/38,781.48 = 10,269.20/x
  3. Step 3: Cross multiply
    25,851.44x = 38,781.48 × 10,269.20
  4. Step 4: Simplify right side
    25,851.44x = 398,254,774.42
  5. Step 5: Solve for x
    x = 398,254,774.42/25,851.44
  6. Step 6: Final answer
    x = 15,405.52

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.