Home / 27,089.39-37,368.31-15,757.61

Finding the Fourth Proportional to 27,089.39, 37,368.31 and 15,757.61

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Solution

The fourth proportional to 27,089.39, 37,368.31 and 15,757.61 is: 21,736.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,089.39 : 37,368.31 = 15,757.61 : x
  2. Step 2: Convert to fraction form
    27,089.39/37,368.31 = 15,757.61/x
  3. Step 3: Cross multiply
    27,089.39x = 37,368.31 × 15,757.61
  4. Step 4: Simplify right side
    27,089.39x = 588,835,255.34
  5. Step 5: Solve for x
    x = 588,835,255.34/27,089.39
  6. Step 6: Final answer
    x = 21,736.75

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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.