Home / 25,716.95-38,591.81-17,187.65

Finding the Fourth Proportional to 25,716.95, 38,591.81 and 17,187.65

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Solution

The fourth proportional to 25,716.95, 38,591.81 and 17,187.65 is: 25,792.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,716.95 : 38,591.81 = 17,187.65 : x
  2. Step 2: Convert to fraction form
    25,716.95/38,591.81 = 17,187.65/x
  3. Step 3: Cross multiply
    25,716.95x = 38,591.81 × 17,187.65
  4. Step 4: Simplify right side
    25,716.95x = 663,302,437.21
  5. Step 5: Solve for x
    x = 663,302,437.21/25,716.95
  6. Step 6: Final answer
    x = 25,792.42

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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.