Home / 26,431.28-39,646.82-6,709.76

Finding the Fourth Proportional to 26,431.28, 39,646.82 and 6,709.76

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Solution

The fourth proportional to 26,431.28, 39,646.82 and 6,709.76 is: 10,064.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,431.28 : 39,646.82 = 6,709.76 : x
  2. Step 2: Convert to fraction form
    26,431.28/39,646.82 = 6,709.76/x
  3. Step 3: Cross multiply
    26,431.28x = 39,646.82 × 6,709.76
  4. Step 4: Simplify right side
    26,431.28x = 266,020,646.96
  5. Step 5: Solve for x
    x = 266,020,646.96/26,431.28
  6. Step 6: Final answer
    x = 10,064.61

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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.