Home / 22,625.16-31,228.66-12,692.36

Finding the Fourth Proportional to 22,625.16, 31,228.66 and 12,692.36

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Solution

The fourth proportional to 22,625.16, 31,228.66 and 12,692.36 is: 17,518.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,625.16 : 31,228.66 = 12,692.36 : x
  2. Step 2: Convert to fraction form
    22,625.16/31,228.66 = 12,692.36/x
  3. Step 3: Cross multiply
    22,625.16x = 31,228.66 × 12,692.36
  4. Step 4: Simplify right side
    22,625.16x = 396,365,395.04
  5. Step 5: Solve for x
    x = 396,365,395.04/22,625.16
  6. Step 6: Final answer
    x = 17,518.79

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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.