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Finding the Fourth Proportional to 23,856.92, 32,924.04 and 13,787.21

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Solution

The fourth proportional to 23,856.92, 32,924.04 and 13,787.21 is: 19,027.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,856.92 : 32,924.04 = 13,787.21 : x
  2. Step 2: Convert to fraction form
    23,856.92/32,924.04 = 13,787.21/x
  3. Step 3: Cross multiply
    23,856.92x = 32,924.04 × 13,787.21
  4. Step 4: Simplify right side
    23,856.92x = 453,930,488.91
  5. Step 5: Solve for x
    x = 453,930,488.91/23,856.92
  6. Step 6: Final answer
    x = 19,027.20

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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.