Home / 27,541.31-38,003.92-15,602.09

Finding the Fourth Proportional to 27,541.31, 38,003.92 and 15,602.09

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Solution

The fourth proportional to 27,541.31, 38,003.92 and 15,602.09 is: 21,529.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,541.31 : 38,003.92 = 15,602.09 : x
  2. Step 2: Convert to fraction form
    27,541.31/38,003.92 = 15,602.09/x
  3. Step 3: Cross multiply
    27,541.31x = 38,003.92 × 15,602.09
  4. Step 4: Simplify right side
    27,541.31x = 592,940,351.17
  5. Step 5: Solve for x
    x = 592,940,351.17/27,541.31
  6. Step 6: Final answer
    x = 21,529.13

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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.