Home / 22,795.26-31,419.80-15,238.83

Finding the Fourth Proportional to 22,795.26, 31,419.80 and 15,238.83

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Solution

The fourth proportional to 22,795.26, 31,419.80 and 15,238.83 is: 21,004.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,795.26 : 31,419.80 = 15,238.83 : x
  2. Step 2: Convert to fraction form
    22,795.26/31,419.80 = 15,238.83/x
  3. Step 3: Cross multiply
    22,795.26x = 31,419.80 × 15,238.83
  4. Step 4: Simplify right side
    22,795.26x = 478,801,175.33
  5. Step 5: Solve for x
    x = 478,801,175.33/22,795.26
  6. Step 6: Final answer
    x = 21,004.42

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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.