Home / 27,908.86-38,516.37-15,975.94

Finding the Fourth Proportional to 27,908.86, 38,516.37 and 15,975.94

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Solution

The fourth proportional to 27,908.86, 38,516.37 and 15,975.94 is: 22,048.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,908.86 : 38,516.37 = 15,975.94 : x
  2. Step 2: Convert to fraction form
    27,908.86/38,516.37 = 15,975.94/x
  3. Step 3: Cross multiply
    27,908.86x = 38,516.37 × 15,975.94
  4. Step 4: Simplify right side
    27,908.86x = 615,335,216.14
  5. Step 5: Solve for x
    x = 615,335,216.14/27,908.86
  6. Step 6: Final answer
    x = 22,048.02

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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.