Home / 17,725.91-26,572.46-9,929.25

Finding the Fourth Proportional to 17,725.91, 26,572.46 and 9,929.25

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Solution

The fourth proportional to 17,725.91, 26,572.46 and 9,929.25 is: 14,884.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,725.91 : 26,572.46 = 9,929.25 : x
  2. Step 2: Convert to fraction form
    17,725.91/26,572.46 = 9,929.25/x
  3. Step 3: Cross multiply
    17,725.91x = 26,572.46 × 9,929.25
  4. Step 4: Simplify right side
    17,725.91x = 263,844,548.81
  5. Step 5: Solve for x
    x = 263,844,548.81/17,725.91
  6. Step 6: Final answer
    x = 14,884.69

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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.