Home / 26,181.12-39,288.96-13,877.76

Finding the Fourth Proportional to 26,181.12, 39,288.96 and 13,877.76

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Solution

The fourth proportional to 26,181.12, 39,288.96 and 13,877.76 is: 20,825.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,181.12 : 39,288.96 = 13,877.76 : x
  2. Step 2: Convert to fraction form
    26,181.12/39,288.96 = 13,877.76/x
  3. Step 3: Cross multiply
    26,181.12x = 39,288.96 × 13,877.76
  4. Step 4: Simplify right side
    26,181.12x = 545,242,757.53
  5. Step 5: Solve for x
    x = 545,242,757.53/26,181.12
  6. Step 6: Final answer
    x = 20,825.80

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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.