Home / 22,418.36-30,713.28-21,577.58

Finding the Fourth Proportional to 22,418.36, 30,713.28 and 21,577.58

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Solution

The fourth proportional to 22,418.36, 30,713.28 and 21,577.58 is: 29,561.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,418.36 : 30,713.28 = 21,577.58 : x
  2. Step 2: Convert to fraction form
    22,418.36/30,713.28 = 21,577.58/x
  3. Step 3: Cross multiply
    22,418.36x = 30,713.28 × 21,577.58
  4. Step 4: Simplify right side
    22,418.36x = 662,718,102.70
  5. Step 5: Solve for x
    x = 662,718,102.70/22,418.36
  6. Step 6: Final answer
    x = 29,561.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.