Home / 26,561.09-39,866.24-13,422.69

Finding the Fourth Proportional to 26,561.09, 39,866.24 and 13,422.69

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Solution

The fourth proportional to 26,561.09, 39,866.24 and 13,422.69 is: 20,146.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,561.09 : 39,866.24 = 13,422.69 : x
  2. Step 2: Convert to fraction form
    26,561.09/39,866.24 = 13,422.69/x
  3. Step 3: Cross multiply
    26,561.09x = 39,866.24 × 13,422.69
  4. Step 4: Simplify right side
    26,561.09x = 535,112,214.54
  5. Step 5: Solve for x
    x = 535,112,214.54/26,561.09
  6. Step 6: Final answer
    x = 20,146.47

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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.