Home / 27,759.77-41,621.15-15,285.66

Finding the Fourth Proportional to 27,759.77, 41,621.15 and 15,285.66

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Solution

The fourth proportional to 27,759.77, 41,621.15 and 15,285.66 is: 22,918.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,759.77 : 41,621.15 = 15,285.66 : x
  2. Step 2: Convert to fraction form
    27,759.77/41,621.15 = 15,285.66/x
  3. Step 3: Cross multiply
    27,759.77x = 41,621.15 × 15,285.66
  4. Step 4: Simplify right side
    27,759.77x = 636,206,889.98
  5. Step 5: Solve for x
    x = 636,206,889.98/27,759.77
  6. Step 6: Final answer
    x = 22,918.31

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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.