Home / 27,077.28-37,366-15,141.72

Finding the Fourth Proportional to 27,077.28, 37,366 and 15,141.72

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Solution

The fourth proportional to 27,077.28, 37,366 and 15,141.72 is: 20,895.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,077.28 : 37,366 = 15,141.72 : x
  2. Step 2: Convert to fraction form
    27,077.28/37,366 = 15,141.72/x
  3. Step 3: Cross multiply
    27,077.28x = 37,366 × 15,141.72
  4. Step 4: Simplify right side
    27,077.28x = 565,785,509.52
  5. Step 5: Solve for x
    x = 565,785,509.52/27,077.28
  6. Step 6: Final answer
    x = 20,895.21

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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.