Home / 27,440.74-37,869-15,504.58

Finding the Fourth Proportional to 27,440.74, 37,869 and 15,504.58

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Solution

The fourth proportional to 27,440.74, 37,869 and 15,504.58 is: 21,396.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,440.74 : 37,869 = 15,504.58 : x
  2. Step 2: Convert to fraction form
    27,440.74/37,869 = 15,504.58/x
  3. Step 3: Cross multiply
    27,440.74x = 37,869 × 15,504.58
  4. Step 4: Simplify right side
    27,440.74x = 587,142,940.02
  5. Step 5: Solve for x
    x = 587,142,940.02/27,440.74
  6. Step 6: Final answer
    x = 21,396.76

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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.