Home / 27,228.76-37,578.13-15,295.03

Finding the Fourth Proportional to 27,228.76, 37,578.13 and 15,295.03

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Solution

The fourth proportional to 27,228.76, 37,578.13 and 15,295.03 is: 21,108.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,228.76 : 37,578.13 = 15,295.03 : x
  2. Step 2: Convert to fraction form
    27,228.76/37,578.13 = 15,295.03/x
  3. Step 3: Cross multiply
    27,228.76x = 37,578.13 × 15,295.03
  4. Step 4: Simplify right side
    27,228.76x = 574,758,493.51
  5. Step 5: Solve for x
    x = 574,758,493.51/27,228.76
  6. Step 6: Final answer
    x = 21,108.51

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Double scale
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1.5x scale

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.