Home / 25,161.19-34,721.66-14,405.69

Finding the Fourth Proportional to 25,161.19, 34,721.66 and 14,405.69

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Solution

The fourth proportional to 25,161.19, 34,721.66 and 14,405.69 is: 19,879.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,161.19 : 34,721.66 = 14,405.69 : x
  2. Step 2: Convert to fraction form
    25,161.19/34,721.66 = 14,405.69/x
  3. Step 3: Cross multiply
    25,161.19x = 34,721.66 × 14,405.69
  4. Step 4: Simplify right side
    25,161.19x = 500,189,593.06
  5. Step 5: Solve for x
    x = 500,189,593.06/25,161.19
  6. Step 6: Final answer
    x = 19,879.41

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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.