Home / 17,679.87-24,419.48-15,351.12

Finding the Fourth Proportional to 17,679.87, 24,419.48 and 15,351.12

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Solution

The fourth proportional to 17,679.87, 24,419.48 and 15,351.12 is: 21,203.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,679.87 : 24,419.48 = 15,351.12 : x
  2. Step 2: Convert to fraction form
    17,679.87/24,419.48 = 15,351.12/x
  3. Step 3: Cross multiply
    17,679.87x = 24,419.48 × 15,351.12
  4. Step 4: Simplify right side
    17,679.87x = 374,866,291.06
  5. Step 5: Solve for x
    x = 374,866,291.06/17,679.87
  6. Step 6: Final answer
    x = 21,203.00

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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.