Home / 25,568.80-38,391.04-15,749.28

Finding the Fourth Proportional to 25,568.80, 38,391.04 and 15,749.28

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Solution

The fourth proportional to 25,568.80, 38,391.04 and 15,749.28 is: 23,647.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,568.80 : 38,391.04 = 15,749.28 : x
  2. Step 2: Convert to fraction form
    25,568.80/38,391.04 = 15,749.28/x
  3. Step 3: Cross multiply
    25,568.80x = 38,391.04 × 15,749.28
  4. Step 4: Simplify right side
    25,568.80x = 604,631,238.45
  5. Step 5: Solve for x
    x = 604,631,238.45/25,568.80
  6. Step 6: Final answer
    x = 23,647.23

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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.