Home / 27,277.08-37,641.84-15,342.78

Finding the Fourth Proportional to 27,277.08, 37,641.84 and 15,342.78

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Solution

The fourth proportional to 27,277.08, 37,641.84 and 15,342.78 is: 21,172.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,277.08 : 37,641.84 = 15,342.78 : x
  2. Step 2: Convert to fraction form
    27,277.08/37,641.84 = 15,342.78/x
  3. Step 3: Cross multiply
    27,277.08x = 37,641.84 × 15,342.78
  4. Step 4: Simplify right side
    27,277.08x = 577,530,469.92
  5. Step 5: Solve for x
    x = 577,530,469.92/27,277.08
  6. Step 6: Final answer
    x = 21,172.74

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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.