Home / 27,731.00-41,557.61-18,477.56

Finding the Fourth Proportional to 27,731.00, 41,557.61 and 18,477.56

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Solution

The fourth proportional to 27,731.00, 41,557.61 and 18,477.56 is: 27,690.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,731.00 : 41,557.61 = 18,477.56 : x
  2. Step 2: Convert to fraction form
    27,731.00/41,557.61 = 18,477.56/x
  3. Step 3: Cross multiply
    27,731.00x = 41,557.61 × 18,477.56
  4. Step 4: Simplify right side
    27,731.00x = 767,883,382.32
  5. Step 5: Solve for x
    x = 767,883,382.32/27,731.00
  6. Step 6: Final answer
    x = 27,690.43

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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.