Home / 17,686.25-24,394.54-15,015.28

Finding the Fourth Proportional to 17,686.25, 24,394.54 and 15,015.28

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Solution

The fourth proportional to 17,686.25, 24,394.54 and 15,015.28 is: 20,710.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,686.25 : 24,394.54 = 15,015.28 : x
  2. Step 2: Convert to fraction form
    17,686.25/24,394.54 = 15,015.28/x
  3. Step 3: Cross multiply
    17,686.25x = 24,394.54 × 15,015.28
  4. Step 4: Simplify right side
    17,686.25x = 366,290,651.52
  5. Step 5: Solve for x
    x = 366,290,651.52/17,686.25
  6. Step 6: Final answer
    x = 20,710.48

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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.