Home / 22,625.46-31,226.72-21,628.76

Finding the Fourth Proportional to 22,625.46, 31,226.72 and 21,628.76

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Solution

The fourth proportional to 22,625.46, 31,226.72 and 21,628.76 is: 29,851.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,625.46 : 31,226.72 = 21,628.76 : x
  2. Step 2: Convert to fraction form
    22,625.46/31,226.72 = 21,628.76/x
  3. Step 3: Cross multiply
    22,625.46x = 31,226.72 × 21,628.76
  4. Step 4: Simplify right side
    22,625.46x = 675,394,968.19
  5. Step 5: Solve for x
    x = 675,394,968.19/22,625.46
  6. Step 6: Final answer
    x = 29,851.10

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Double scale
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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.