Home / 25,718.70-38,581.14-9,075.30

Finding the Fourth Proportional to 25,718.70, 38,581.14 and 9,075.30

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Solution

The fourth proportional to 25,718.70, 38,581.14 and 9,075.30 is: 13,614.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,718.70 : 38,581.14 = 9,075.30 : x
  2. Step 2: Convert to fraction form
    25,718.70/38,581.14 = 9,075.30/x
  3. Step 3: Cross multiply
    25,718.70x = 38,581.14 × 9,075.30
  4. Step 4: Simplify right side
    25,718.70x = 350,135,419.84
  5. Step 5: Solve for x
    x = 350,135,419.84/25,718.70
  6. Step 6: Final answer
    x = 13,614.04

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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.