Home / 57,391.11-86,086.55-15,271.19

Finding the Fourth Proportional to 57,391.11, 86,086.55 and 15,271.19

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Solution

The fourth proportional to 57,391.11, 86,086.55 and 15,271.19 is: 22,906.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,391.11 : 86,086.55 = 15,271.19 : x
  2. Step 2: Convert to fraction form
    57,391.11/86,086.55 = 15,271.19/x
  3. Step 3: Cross multiply
    57,391.11x = 86,086.55 × 15,271.19
  4. Step 4: Simplify right side
    57,391.11x = 1,314,643,554.71
  5. Step 5: Solve for x
    x = 1,314,643,554.71/57,391.11
  6. Step 6: Final answer
    x = 22,906.75

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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.