Home / 26,638.66-39,944.55-9,998.02

Finding the Fourth Proportional to 26,638.66, 39,944.55 and 9,998.02

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Solution

The fourth proportional to 26,638.66, 39,944.55 and 9,998.02 is: 14,991.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,638.66 : 39,944.55 = 9,998.02 : x
  2. Step 2: Convert to fraction form
    26,638.66/39,944.55 = 9,998.02/x
  3. Step 3: Cross multiply
    26,638.66x = 39,944.55 × 9,998.02
  4. Step 4: Simplify right side
    26,638.66x = 399,366,409.79
  5. Step 5: Solve for x
    x = 399,366,409.79/26,638.66
  6. Step 6: Final answer
    x = 14,991.99

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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.