Home / 27,606.05-38,097.27-15,508.65

Finding the Fourth Proportional to 27,606.05, 38,097.27 and 15,508.65

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Solution

The fourth proportional to 27,606.05, 38,097.27 and 15,508.65 is: 21,402.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,606.05 : 38,097.27 = 15,508.65 : x
  2. Step 2: Convert to fraction form
    27,606.05/38,097.27 = 15,508.65/x
  3. Step 3: Cross multiply
    27,606.05x = 38,097.27 × 15,508.65
  4. Step 4: Simplify right side
    27,606.05x = 590,837,226.39
  5. Step 5: Solve for x
    x = 590,837,226.39/27,606.05
  6. Step 6: Final answer
    x = 21,402.45

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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.