Home / 27,422.24-37,841.16-15,488

Finding the Fourth Proportional to 27,422.24, 37,841.16 and 15,488

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Solution

The fourth proportional to 27,422.24, 37,841.16 and 15,488 is: 21,372.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,422.24 : 37,841.16 = 15,488 : x
  2. Step 2: Convert to fraction form
    27,422.24/37,841.16 = 15,488/x
  3. Step 3: Cross multiply
    27,422.24x = 37,841.16 × 15,488
  4. Step 4: Simplify right side
    27,422.24x = 586,083,886.08
  5. Step 5: Solve for x
    x = 586,083,886.08/27,422.24
  6. Step 6: Final answer
    x = 21,372.58

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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.