Home / 26,947.48-40,429.20-13,809.08

Finding the Fourth Proportional to 26,947.48, 40,429.20 and 13,809.08

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Solution

The fourth proportional to 26,947.48, 40,429.20 and 13,809.08 is: 20,717.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,947.48 : 40,429.20 = 13,809.08 : x
  2. Step 2: Convert to fraction form
    26,947.48/40,429.20 = 13,809.08/x
  3. Step 3: Cross multiply
    26,947.48x = 40,429.20 × 13,809.08
  4. Step 4: Simplify right side
    26,947.48x = 558,290,057.14
  5. Step 5: Solve for x
    x = 558,290,057.14/26,947.48
  6. Step 6: Final answer
    x = 20,717.71

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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.