Home / 38,218.84-57,226.74-25,719.64

Finding the Fourth Proportional to 38,218.84, 57,226.74 and 25,719.64

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Solution

The fourth proportional to 38,218.84, 57,226.74 and 25,719.64 is: 38,511.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,218.84 : 57,226.74 = 25,719.64 : x
  2. Step 2: Convert to fraction form
    38,218.84/57,226.74 = 25,719.64/x
  3. Step 3: Cross multiply
    38,218.84x = 57,226.74 × 25,719.64
  4. Step 4: Simplify right side
    38,218.84x = 1,471,851,151.17
  5. Step 5: Solve for x
    x = 1,471,851,151.17/38,218.84
  6. Step 6: Final answer
    x = 38,511.14

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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.