Home / 25,720.74-38,549.28-15,180.07

Finding the Fourth Proportional to 25,720.74, 38,549.28 and 15,180.07

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Solution

The fourth proportional to 25,720.74, 38,549.28 and 15,180.07 is: 22,751.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,720.74 : 38,549.28 = 15,180.07 : x
  2. Step 2: Convert to fraction form
    25,720.74/38,549.28 = 15,180.07/x
  3. Step 3: Cross multiply
    25,720.74x = 38,549.28 × 15,180.07
  4. Step 4: Simplify right side
    25,720.74x = 585,180,768.85
  5. Step 5: Solve for x
    x = 585,180,768.85/25,720.74
  6. Step 6: Final answer
    x = 22,751.32

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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.