Home / 27,480.78-37,919.14-16,159.98

Finding the Fourth Proportional to 27,480.78, 37,919.14 and 16,159.98

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Solution

The fourth proportional to 27,480.78, 37,919.14 and 16,159.98 is: 22,298.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,480.78 : 37,919.14 = 16,159.98 : x
  2. Step 2: Convert to fraction form
    27,480.78/37,919.14 = 16,159.98/x
  3. Step 3: Cross multiply
    27,480.78x = 37,919.14 × 16,159.98
  4. Step 4: Simplify right side
    27,480.78x = 612,772,544.02
  5. Step 5: Solve for x
    x = 612,772,544.02/27,480.78
  6. Step 6: Final answer
    x = 22,298.22

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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.