Home / 27,981.58-41,975.14-9,008.39

Finding the Fourth Proportional to 27,981.58, 41,975.14 and 9,008.39

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Solution

The fourth proportional to 27,981.58, 41,975.14 and 9,008.39 is: 13,513.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,981.58 : 41,975.14 = 9,008.39 : x
  2. Step 2: Convert to fraction form
    27,981.58/41,975.14 = 9,008.39/x
  3. Step 3: Cross multiply
    27,981.58x = 41,975.14 × 9,008.39
  4. Step 4: Simplify right side
    27,981.58x = 378,128,387.34
  5. Step 5: Solve for x
    x = 378,128,387.34/27,981.58
  6. Step 6: Final answer
    x = 13,513.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.