Home / 27,427.97-37,850.63-15,491.33

Finding the Fourth Proportional to 27,427.97, 37,850.63 and 15,491.33

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Solution

The fourth proportional to 27,427.97, 37,850.63 and 15,491.33 is: 21,378.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,427.97 : 37,850.63 = 15,491.33 : x
  2. Step 2: Convert to fraction form
    27,427.97/37,850.63 = 15,491.33/x
  3. Step 3: Cross multiply
    27,427.97x = 37,850.63 × 15,491.33
  4. Step 4: Simplify right side
    27,427.97x = 586,356,522.58
  5. Step 5: Solve for x
    x = 586,356,522.58/27,427.97
  6. Step 6: Final answer
    x = 21,378.05

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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.