Home / 27,311.24-40,972.47-11,516.32

Finding the Fourth Proportional to 27,311.24, 40,972.47 and 11,516.32

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Solution

The fourth proportional to 27,311.24, 40,972.47 and 11,516.32 is: 17,276.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,311.24 : 40,972.47 = 11,516.32 : x
  2. Step 2: Convert to fraction form
    27,311.24/40,972.47 = 11,516.32/x
  3. Step 3: Cross multiply
    27,311.24x = 40,972.47 × 11,516.32
  4. Step 4: Simplify right side
    27,311.24x = 471,852,075.71
  5. Step 5: Solve for x
    x = 471,852,075.71/27,311.24
  6. Step 6: Final answer
    x = 17,276.85

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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.