Home / 27,141.40-37,450.78-15,205.24

Finding the Fourth Proportional to 27,141.40, 37,450.78 and 15,205.24

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Solution

The fourth proportional to 27,141.40, 37,450.78 and 15,205.24 is: 20,980.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,141.40 : 37,450.78 = 15,205.24 : x
  2. Step 2: Convert to fraction form
    27,141.40/37,450.78 = 15,205.24/x
  3. Step 3: Cross multiply
    27,141.40x = 37,450.78 × 15,205.24
  4. Step 4: Simplify right side
    27,141.40x = 569,448,098.09
  5. Step 5: Solve for x
    x = 569,448,098.09/27,141.40
  6. Step 6: Final answer
    x = 20,980.79

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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.