Home / 27,880.70-38,475.24-15,133.94

Finding the Fourth Proportional to 27,880.70, 38,475.24 and 15,133.94

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Solution

The fourth proportional to 27,880.70, 38,475.24 and 15,133.94 is: 20,884.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,880.70 : 38,475.24 = 15,133.94 : x
  2. Step 2: Convert to fraction form
    27,880.70/38,475.24 = 15,133.94/x
  3. Step 3: Cross multiply
    27,880.70x = 38,475.24 × 15,133.94
  4. Step 4: Simplify right side
    27,880.70x = 582,281,973.65
  5. Step 5: Solve for x
    x = 582,281,973.65/27,880.70
  6. Step 6: Final answer
    x = 20,884.77

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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.