Home / 22,658.80-31,256.54-21,055.14

Finding the Fourth Proportional to 22,658.80, 31,256.54 and 21,055.14

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Solution

The fourth proportional to 22,658.80, 31,256.54 and 21,055.14 is: 29,044.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,658.80 : 31,256.54 = 21,055.14 : x
  2. Step 2: Convert to fraction form
    22,658.80/31,256.54 = 21,055.14/x
  3. Step 3: Cross multiply
    22,658.80x = 31,256.54 × 21,055.14
  4. Step 4: Simplify right side
    22,658.80x = 658,110,825.62
  5. Step 5: Solve for x
    x = 658,110,825.62/22,658.80
  6. Step 6: Final answer
    x = 29,044.39

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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.