Home / 26,309.07-39,400.56-19,174.19

Finding the Fourth Proportional to 26,309.07, 39,400.56 and 19,174.19

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Solution

The fourth proportional to 26,309.07, 39,400.56 and 19,174.19 is: 28,715.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,309.07 : 39,400.56 = 19,174.19 : x
  2. Step 2: Convert to fraction form
    26,309.07/39,400.56 = 19,174.19/x
  3. Step 3: Cross multiply
    26,309.07x = 39,400.56 × 19,174.19
  4. Step 4: Simplify right side
    26,309.07x = 755,473,626.54
  5. Step 5: Solve for x
    x = 755,473,626.54/26,309.07
  6. Step 6: Final answer
    x = 28,715.33

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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.