Home / 19,574.87-29,381.74-15,239.75

Finding the Fourth Proportional to 19,574.87, 29,381.74 and 15,239.75

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Solution

The fourth proportional to 19,574.87, 29,381.74 and 15,239.75 is: 22,874.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,574.87 : 29,381.74 = 15,239.75 : x
  2. Step 2: Convert to fraction form
    19,574.87/29,381.74 = 15,239.75/x
  3. Step 3: Cross multiply
    19,574.87x = 29,381.74 × 15,239.75
  4. Step 4: Simplify right side
    19,574.87x = 447,770,187.16
  5. Step 5: Solve for x
    x = 447,770,187.16/19,574.87
  6. Step 6: Final answer
    x = 22,874.75

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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.