Home / 26,299.62-36,269.43-20,557.83

Finding the Fourth Proportional to 26,299.62, 36,269.43 and 20,557.83

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Solution

The fourth proportional to 26,299.62, 36,269.43 and 20,557.83 is: 28,351.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,299.62 : 36,269.43 = 20,557.83 : x
  2. Step 2: Convert to fraction form
    26,299.62/36,269.43 = 20,557.83/x
  3. Step 3: Cross multiply
    26,299.62x = 36,269.43 × 20,557.83
  4. Step 4: Simplify right side
    26,299.62x = 745,620,776.14
  5. Step 5: Solve for x
    x = 745,620,776.14/26,299.62
  6. Step 6: Final answer
    x = 28,351.01

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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.