Home / 26,221.77-39,299.82-20,653.13

Finding the Fourth Proportional to 26,221.77, 39,299.82 and 20,653.13

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Solution

The fourth proportional to 26,221.77, 39,299.82 and 20,653.13 is: 30,953.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,221.77 : 39,299.82 = 20,653.13 : x
  2. Step 2: Convert to fraction form
    26,221.77/39,299.82 = 20,653.13/x
  3. Step 3: Cross multiply
    26,221.77x = 39,299.82 × 20,653.13
  4. Step 4: Simplify right side
    26,221.77x = 811,664,094.94
  5. Step 5: Solve for x
    x = 811,664,094.94/26,221.77
  6. Step 6: Final answer
    x = 30,953.83

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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.