Home / 27,041.88-40,535.46-12,981.36

Finding the Fourth Proportional to 27,041.88, 40,535.46 and 12,981.36

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Solution

The fourth proportional to 27,041.88, 40,535.46 and 12,981.36 is: 19,458.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,041.88 : 40,535.46 = 12,981.36 : x
  2. Step 2: Convert to fraction form
    27,041.88/40,535.46 = 12,981.36/x
  3. Step 3: Cross multiply
    27,041.88x = 40,535.46 × 12,981.36
  4. Step 4: Simplify right side
    27,041.88x = 526,205,399.03
  5. Step 5: Solve for x
    x = 526,205,399.03/27,041.88
  6. Step 6: Final answer
    x = 19,458.91

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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.