Home / 27,985.59-41,979.20-10,452.06

Finding the Fourth Proportional to 27,985.59, 41,979.20 and 10,452.06

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Solution

The fourth proportional to 27,985.59, 41,979.20 and 10,452.06 is: 15,678.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,985.59 : 41,979.20 = 10,452.06 : x
  2. Step 2: Convert to fraction form
    27,985.59/41,979.20 = 10,452.06/x
  3. Step 3: Cross multiply
    27,985.59x = 41,979.20 × 10,452.06
  4. Step 4: Simplify right side
    27,985.59x = 438,769,064.89
  5. Step 5: Solve for x
    x = 438,769,064.89/27,985.59
  6. Step 6: Final answer
    x = 15,678.39

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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.