Home / 26,747.28-40,036.86-18,378.36

Finding the Fourth Proportional to 26,747.28, 40,036.86 and 18,378.36

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Solution

The fourth proportional to 26,747.28, 40,036.86 and 18,378.36 is: 27,509.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,747.28 : 40,036.86 = 18,378.36 : x
  2. Step 2: Convert to fraction form
    26,747.28/40,036.86 = 18,378.36/x
  3. Step 3: Cross multiply
    26,747.28x = 40,036.86 × 18,378.36
  4. Step 4: Simplify right side
    26,747.28x = 735,811,826.35
  5. Step 5: Solve for x
    x = 735,811,826.35/26,747.28
  6. Step 6: Final answer
    x = 27,509.78

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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.