Home / 26,535.36-39,631.38-20,994.96

Finding the Fourth Proportional to 26,535.36, 39,631.38 and 20,994.96

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Solution

The fourth proportional to 26,535.36, 39,631.38 and 20,994.96 is: 31,356.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,535.36 : 39,631.38 = 20,994.96 : x
  2. Step 2: Convert to fraction form
    26,535.36/39,631.38 = 20,994.96/x
  3. Step 3: Cross multiply
    26,535.36x = 39,631.38 × 20,994.96
  4. Step 4: Simplify right side
    26,535.36x = 832,059,237.84
  5. Step 5: Solve for x
    x = 832,059,237.84/26,535.36
  6. Step 6: Final answer
    x = 31,356.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.