Home / 27,883.17-38,477.43-15,947.82

Finding the Fourth Proportional to 27,883.17, 38,477.43 and 15,947.82

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Solution

The fourth proportional to 27,883.17, 38,477.43 and 15,947.82 is: 22,007.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,883.17 : 38,477.43 = 15,947.82 : x
  2. Step 2: Convert to fraction form
    27,883.17/38,477.43 = 15,947.82/x
  3. Step 3: Cross multiply
    27,883.17x = 38,477.43 × 15,947.82
  4. Step 4: Simplify right side
    27,883.17x = 613,631,127.70
  5. Step 5: Solve for x
    x = 613,631,127.70/27,883.17
  6. Step 6: Final answer
    x = 22,007.22

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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.