Home / 27,126.47-40,695.92-10,486.64

Finding the Fourth Proportional to 27,126.47, 40,695.92 and 10,486.64

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Solution

The fourth proportional to 27,126.47, 40,695.92 and 10,486.64 is: 15,732.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,126.47 : 40,695.92 = 10,486.64 : x
  2. Step 2: Convert to fraction form
    27,126.47/40,695.92 = 10,486.64/x
  3. Step 3: Cross multiply
    27,126.47x = 40,695.92 × 10,486.64
  4. Step 4: Simplify right side
    27,126.47x = 426,763,462.51
  5. Step 5: Solve for x
    x = 426,763,462.51/27,126.47
  6. Step 6: Final answer
    x = 15,732.36

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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.