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Finding the Fourth Proportional to 17,982.60, 24,759.51 and 15,288.51

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Solution

The fourth proportional to 17,982.60, 24,759.51 and 15,288.51 is: 21,050.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,982.60 : 24,759.51 = 15,288.51 : x
  2. Step 2: Convert to fraction form
    17,982.60/24,759.51 = 15,288.51/x
  3. Step 3: Cross multiply
    17,982.60x = 24,759.51 × 15,288.51
  4. Step 4: Simplify right side
    17,982.60x = 378,536,016.23
  5. Step 5: Solve for x
    x = 378,536,016.23/17,982.60
  6. Step 6: Final answer
    x = 21,050.13

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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.