Home / 29,365.13-40,523.91-15,936.39

Finding the Fourth Proportional to 29,365.13, 40,523.91 and 15,936.39

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Solution

The fourth proportional to 29,365.13, 40,523.91 and 15,936.39 is: 21,992.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,365.13 : 40,523.91 = 15,936.39 : x
  2. Step 2: Convert to fraction form
    29,365.13/40,523.91 = 15,936.39/x
  3. Step 3: Cross multiply
    29,365.13x = 40,523.91 × 15,936.39
  4. Step 4: Simplify right side
    29,365.13x = 645,804,692.93
  5. Step 5: Solve for x
    x = 645,804,692.93/29,365.13
  6. Step 6: Final answer
    x = 21,992.23

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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.