Home / 27,838.47-38,418.66-16,514.67

Finding the Fourth Proportional to 27,838.47, 38,418.66 and 16,514.67

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Solution

The fourth proportional to 27,838.47, 38,418.66 and 16,514.67 is: 22,791.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,838.47 : 38,418.66 = 16,514.67 : x
  2. Step 2: Convert to fraction form
    27,838.47/38,418.66 = 16,514.67/x
  3. Step 3: Cross multiply
    27,838.47x = 38,418.66 × 16,514.67
  4. Step 4: Simplify right side
    27,838.47x = 634,471,491.74
  5. Step 5: Solve for x
    x = 634,471,491.74/27,838.47
  6. Step 6: Final answer
    x = 22,791.18

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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.