Home / 27,331.09-37,727.48-21,364.70

Finding the Fourth Proportional to 27,331.09, 37,727.48 and 21,364.70

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Solution

The fourth proportional to 27,331.09, 37,727.48 and 21,364.70 is: 29,491.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,331.09 : 37,727.48 = 21,364.70 : x
  2. Step 2: Convert to fraction form
    27,331.09/37,727.48 = 21,364.70/x
  3. Step 3: Cross multiply
    27,331.09x = 37,727.48 × 21,364.70
  4. Step 4: Simplify right side
    27,331.09x = 806,036,156.73
  5. Step 5: Solve for x
    x = 806,036,156.73/27,331.09
  6. Step 6: Final answer
    x = 29,491.55

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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.