Home / 26,689.47-39,975.89-13,519.23

Finding the Fourth Proportional to 26,689.47, 39,975.89 and 13,519.23

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Solution

The fourth proportional to 26,689.47, 39,975.89 and 13,519.23 is: 20,249.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,689.47 : 39,975.89 = 13,519.23 : x
  2. Step 2: Convert to fraction form
    26,689.47/39,975.89 = 13,519.23/x
  3. Step 3: Cross multiply
    26,689.47x = 39,975.89 × 13,519.23
  4. Step 4: Simplify right side
    26,689.47x = 540,443,183.77
  5. Step 5: Solve for x
    x = 540,443,183.77/26,689.47
  6. Step 6: Final answer
    x = 20,249.30

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1.5x scale

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.