Home / 26,509.13-39,772.74-13,357.97

Finding the Fourth Proportional to 26,509.13, 39,772.74 and 13,357.97

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Solution

The fourth proportional to 26,509.13, 39,772.74 and 13,357.97 is: 20,041.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,509.13 : 39,772.74 = 13,357.97 : x
  2. Step 2: Convert to fraction form
    26,509.13/39,772.74 = 13,357.97/x
  3. Step 3: Cross multiply
    26,509.13x = 39,772.74 × 13,357.97
  4. Step 4: Simplify right side
    26,509.13x = 531,283,067.74
  5. Step 5: Solve for x
    x = 531,283,067.74/26,509.13
  6. Step 6: Final answer
    x = 20,041.51

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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.