Home / 28,619.82-39,514.94-17,881.08

Finding the Fourth Proportional to 28,619.82, 39,514.94 and 17,881.08

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Solution

The fourth proportional to 28,619.82, 39,514.94 and 17,881.08 is: 24,688.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,619.82 : 39,514.94 = 17,881.08 : x
  2. Step 2: Convert to fraction form
    28,619.82/39,514.94 = 17,881.08/x
  3. Step 3: Cross multiply
    28,619.82x = 39,514.94 × 17,881.08
  4. Step 4: Simplify right side
    28,619.82x = 706,569,632.80
  5. Step 5: Solve for x
    x = 706,569,632.80/28,619.82
  6. Step 6: Final answer
    x = 24,688.12

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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.