Home / 27,187.76-37,516.68-15,864.08

Finding the Fourth Proportional to 27,187.76, 37,516.68 and 15,864.08

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Solution

The fourth proportional to 27,187.76, 37,516.68 and 15,864.08 is: 21,891.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,187.76 : 37,516.68 = 15,864.08 : x
  2. Step 2: Convert to fraction form
    27,187.76/37,516.68 = 15,864.08/x
  3. Step 3: Cross multiply
    27,187.76x = 37,516.68 × 15,864.08
  4. Step 4: Simplify right side
    27,187.76x = 595,167,612.85
  5. Step 5: Solve for x
    x = 595,167,612.85/27,187.76
  6. Step 6: Final answer
    x = 21,891.01

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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.