Home / 25,580.31-35,303.42-14,251.65

Finding the Fourth Proportional to 25,580.31, 35,303.42 and 14,251.65

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Solution

The fourth proportional to 25,580.31, 35,303.42 and 14,251.65 is: 19,668.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,580.31 : 35,303.42 = 14,251.65 : x
  2. Step 2: Convert to fraction form
    25,580.31/35,303.42 = 14,251.65/x
  3. Step 3: Cross multiply
    25,580.31x = 35,303.42 × 14,251.65
  4. Step 4: Simplify right side
    25,580.31x = 503,131,848.80
  5. Step 5: Solve for x
    x = 503,131,848.80/25,580.31
  6. Step 6: Final answer
    x = 19,668.72

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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.