Home / 27,856.26-38,441.52-15,280.74

Finding the Fourth Proportional to 27,856.26, 38,441.52 and 15,280.74

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Solution

The fourth proportional to 27,856.26, 38,441.52 and 15,280.74 is: 21,087.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,856.26 : 38,441.52 = 15,280.74 : x
  2. Step 2: Convert to fraction form
    27,856.26/38,441.52 = 15,280.74/x
  3. Step 3: Cross multiply
    27,856.26x = 38,441.52 × 15,280.74
  4. Step 4: Simplify right side
    27,856.26x = 587,414,872.32
  5. Step 5: Solve for x
    x = 587,414,872.32/27,856.26
  6. Step 6: Final answer
    x = 21,087.36

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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.