Home / 27,310.15-37,687.91-15,373.52

Finding the Fourth Proportional to 27,310.15, 37,687.91 and 15,373.52

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Solution

The fourth proportional to 27,310.15, 37,687.91 and 15,373.52 is: 21,215.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,310.15 : 37,687.91 = 15,373.52 : x
  2. Step 2: Convert to fraction form
    27,310.15/37,687.91 = 15,373.52/x
  3. Step 3: Cross multiply
    27,310.15x = 37,687.91 × 15,373.52
  4. Step 4: Simplify right side
    27,310.15x = 579,395,572.84
  5. Step 5: Solve for x
    x = 579,395,572.84/27,310.15
  6. Step 6: Final answer
    x = 21,215.40

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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.