Home / 27,636.43-38,133.61-15,535.31

Finding the Fourth Proportional to 27,636.43, 38,133.61 and 15,535.31

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Solution

The fourth proportional to 27,636.43, 38,133.61 and 15,535.31 is: 21,436.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,636.43 : 38,133.61 = 15,535.31 : x
  2. Step 2: Convert to fraction form
    27,636.43/38,133.61 = 15,535.31/x
  3. Step 3: Cross multiply
    27,636.43x = 38,133.61 × 15,535.31
  4. Step 4: Simplify right side
    27,636.43x = 592,417,538.39
  5. Step 5: Solve for x
    x = 592,417,538.39/27,636.43
  6. Step 6: Final answer
    x = 21,436.11

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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.