Home / 26,486.28-39,738.06-12,633.48

Finding the Fourth Proportional to 26,486.28, 39,738.06 and 12,633.48

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Solution

The fourth proportional to 26,486.28, 39,738.06 and 12,633.48 is: 18,954.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,486.28 : 39,738.06 = 12,633.48 : x
  2. Step 2: Convert to fraction form
    26,486.28/39,738.06 = 12,633.48/x
  3. Step 3: Cross multiply
    26,486.28x = 39,738.06 × 12,633.48
  4. Step 4: Simplify right side
    26,486.28x = 502,029,986.25
  5. Step 5: Solve for x
    x = 502,029,986.25/26,486.28
  6. Step 6: Final answer
    x = 18,954.34

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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.