Home / 27,358.39-37,752.31-15,424.66

Finding the Fourth Proportional to 27,358.39, 37,752.31 and 15,424.66

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Solution

The fourth proportional to 27,358.39, 37,752.31 and 15,424.66 is: 21,284.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,358.39 : 37,752.31 = 15,424.66 : x
  2. Step 2: Convert to fraction form
    27,358.39/37,752.31 = 15,424.66/x
  3. Step 3: Cross multiply
    27,358.39x = 37,752.31 × 15,424.66
  4. Step 4: Simplify right side
    27,358.39x = 582,316,545.96
  5. Step 5: Solve for x
    x = 582,316,545.96/27,358.39
  6. Step 6: Final answer
    x = 21,284.75

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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.