Home / 27,288.52-37,657.81-15,351.94

Finding the Fourth Proportional to 27,288.52, 37,657.81 and 15,351.94

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Solution

The fourth proportional to 27,288.52, 37,657.81 and 15,351.94 is: 21,185.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,288.52 : 37,657.81 = 15,351.94 : x
  2. Step 2: Convert to fraction form
    27,288.52/37,657.81 = 15,351.94/x
  3. Step 3: Cross multiply
    27,288.52x = 37,657.81 × 15,351.94
  4. Step 4: Simplify right side
    27,288.52x = 578,120,439.65
  5. Step 5: Solve for x
    x = 578,120,439.65/27,288.52
  6. Step 6: Final answer
    x = 21,185.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.