Home / 21,924.34-30,258.17-21,235.44

Finding the Fourth Proportional to 21,924.34, 30,258.17 and 21,235.44

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Solution

The fourth proportional to 21,924.34, 30,258.17 and 21,235.44 is: 29,307.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,924.34 : 30,258.17 = 21,235.44 : x
  2. Step 2: Convert to fraction form
    21,924.34/30,258.17 = 21,235.44/x
  3. Step 3: Cross multiply
    21,924.34x = 30,258.17 × 21,235.44
  4. Step 4: Simplify right side
    21,924.34x = 642,545,553.54
  5. Step 5: Solve for x
    x = 642,545,553.54/21,924.34
  6. Step 6: Final answer
    x = 29,307.41

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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.