Home / 25,102.47-34,641.21-13,771.65

Finding the Fourth Proportional to 25,102.47, 34,641.21 and 13,771.65

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Solution

The fourth proportional to 25,102.47, 34,641.21 and 13,771.65 is: 19,004.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,102.47 : 34,641.21 = 13,771.65 : x
  2. Step 2: Convert to fraction form
    25,102.47/34,641.21 = 13,771.65/x
  3. Step 3: Cross multiply
    25,102.47x = 34,641.21 × 13,771.65
  4. Step 4: Simplify right side
    25,102.47x = 477,066,619.70
  5. Step 5: Solve for x
    x = 477,066,619.70/25,102.47
  6. Step 6: Final answer
    x = 19,004.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.