Home / 26,106.93-39,111.08-20,234.79

Finding the Fourth Proportional to 26,106.93, 39,111.08 and 20,234.79

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Solution

The fourth proportional to 26,106.93, 39,111.08 and 20,234.79 is: 30,313.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,106.93 : 39,111.08 = 20,234.79 : x
  2. Step 2: Convert to fraction form
    26,106.93/39,111.08 = 20,234.79/x
  3. Step 3: Cross multiply
    26,106.93x = 39,111.08 × 20,234.79
  4. Step 4: Simplify right side
    26,106.93x = 791,404,389.30
  5. Step 5: Solve for x
    x = 791,404,389.30/26,106.93
  6. Step 6: Final answer
    x = 30,313.96

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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.