Home / 22,625.38-31,226.77-12,557.05

Finding the Fourth Proportional to 22,625.38, 31,226.77 and 12,557.05

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Solution

The fourth proportional to 22,625.38, 31,226.77 and 12,557.05 is: 17,330.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,625.38 : 31,226.77 = 12,557.05 : x
  2. Step 2: Convert to fraction form
    22,625.38/31,226.77 = 12,557.05/x
  3. Step 3: Cross multiply
    22,625.38x = 31,226.77 × 12,557.05
  4. Step 4: Simplify right side
    22,625.38x = 392,116,112.23
  5. Step 5: Solve for x
    x = 392,116,112.23/22,625.38
  6. Step 6: Final answer
    x = 17,330.81

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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.