Home / 26,277.28-36,249.15-17,779.78

Finding the Fourth Proportional to 26,277.28, 36,249.15 and 17,779.78

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Solution

The fourth proportional to 26,277.28, 36,249.15 and 17,779.78 is: 24,526.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,277.28 : 36,249.15 = 17,779.78 : x
  2. Step 2: Convert to fraction form
    26,277.28/36,249.15 = 17,779.78/x
  3. Step 3: Cross multiply
    26,277.28x = 36,249.15 × 17,779.78
  4. Step 4: Simplify right side
    26,277.28x = 644,501,912.19
  5. Step 5: Solve for x
    x = 644,501,912.19/26,277.28
  6. Step 6: Final answer
    x = 24,526.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.