Home / 26,299.74-36,269.60-20,557.96

Finding the Fourth Proportional to 26,299.74, 36,269.60 and 20,557.96

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Solution

The fourth proportional to 26,299.74, 36,269.60 and 20,557.96 is: 28,351.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,299.74 : 36,269.60 = 20,557.96 : x
  2. Step 2: Convert to fraction form
    26,299.74/36,269.60 = 20,557.96/x
  3. Step 3: Cross multiply
    26,299.74x = 36,269.60 × 20,557.96
  4. Step 4: Simplify right side
    26,299.74x = 745,628,804.67
  5. Step 5: Solve for x
    x = 745,628,804.67/26,299.74
  6. Step 6: Final answer
    x = 28,351.19

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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.