Home / 27,133.08-40,689.45-9,358.80

Finding the Fourth Proportional to 27,133.08, 40,689.45 and 9,358.80

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Solution

The fourth proportional to 27,133.08, 40,689.45 and 9,358.80 is: 14,034.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,133.08 : 40,689.45 = 9,358.80 : x
  2. Step 2: Convert to fraction form
    27,133.08/40,689.45 = 9,358.80/x
  3. Step 3: Cross multiply
    27,133.08x = 40,689.45 × 9,358.80
  4. Step 4: Simplify right side
    27,133.08x = 380,804,424.66
  5. Step 5: Solve for x
    x = 380,804,424.66/27,133.08
  6. Step 6: Final answer
    x = 14,034.69

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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.