Home / 25,982.40-35,849.09-15,907.17

Finding the Fourth Proportional to 25,982.40, 35,849.09 and 15,907.17

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Solution

The fourth proportional to 25,982.40, 35,849.09 and 15,907.17 is: 21,947.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,982.40 : 35,849.09 = 15,907.17 : x
  2. Step 2: Convert to fraction form
    25,982.40/35,849.09 = 15,907.17/x
  3. Step 3: Cross multiply
    25,982.40x = 35,849.09 × 15,907.17
  4. Step 4: Simplify right side
    25,982.40x = 570,257,568.98
  5. Step 5: Solve for x
    x = 570,257,568.98/25,982.40
  6. Step 6: Final answer
    x = 21,947.84

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1.5x scale

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.