Home / 28,856.72-43,267.56-11,305.52

Finding the Fourth Proportional to 28,856.72, 43,267.56 and 11,305.52

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Solution

The fourth proportional to 28,856.72, 43,267.56 and 11,305.52 is: 16,951.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,856.72 : 43,267.56 = 11,305.52 : x
  2. Step 2: Convert to fraction form
    28,856.72/43,267.56 = 11,305.52/x
  3. Step 3: Cross multiply
    28,856.72x = 43,267.56 × 11,305.52
  4. Step 4: Simplify right side
    28,856.72x = 489,162,264.93
  5. Step 5: Solve for x
    x = 489,162,264.93/28,856.72
  6. Step 6: Final answer
    x = 16,951.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.