Home / 23,935.82-35,878.77-13,390.38

Finding the Fourth Proportional to 23,935.82, 35,878.77 and 13,390.38

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Solution

The fourth proportional to 23,935.82, 35,878.77 and 13,390.38 is: 20,071.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,935.82 : 35,878.77 = 13,390.38 : x
  2. Step 2: Convert to fraction form
    23,935.82/35,878.77 = 13,390.38/x
  3. Step 3: Cross multiply
    23,935.82x = 35,878.77 × 13,390.38
  4. Step 4: Simplify right side
    23,935.82x = 480,430,401.89
  5. Step 5: Solve for x
    x = 480,430,401.89/23,935.82
  6. Step 6: Final answer
    x = 20,071.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.