Home / 26,485.31-39,727.89-16,631.51

Finding the Fourth Proportional to 26,485.31, 39,727.89 and 16,631.51

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Solution

The fourth proportional to 26,485.31, 39,727.89 and 16,631.51 is: 24,947.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,485.31 : 39,727.89 = 16,631.51 : x
  2. Step 2: Convert to fraction form
    26,485.31/39,727.89 = 16,631.51/x
  3. Step 3: Cross multiply
    26,485.31x = 39,727.89 × 16,631.51
  4. Step 4: Simplify right side
    26,485.31x = 660,734,601.17
  5. Step 5: Solve for x
    x = 660,734,601.17/26,485.31
  6. Step 6: Final answer
    x = 24,947.21

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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.