Home / 27,319.08-37,696.32-15,380.04

Finding the Fourth Proportional to 27,319.08, 37,696.32 and 15,380.04

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Solution

The fourth proportional to 27,319.08, 37,696.32 and 15,380.04 is: 21,222.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,319.08 : 37,696.32 = 15,380.04 : x
  2. Step 2: Convert to fraction form
    27,319.08/37,696.32 = 15,380.04/x
  3. Step 3: Cross multiply
    27,319.08x = 37,696.32 × 15,380.04
  4. Step 4: Simplify right side
    27,319.08x = 579,770,909.45
  5. Step 5: Solve for x
    x = 579,770,909.45/27,319.08
  6. Step 6: Final answer
    x = 21,222.20

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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.