Home / 21,411.12-32,097.55-16,705.43

Finding the Fourth Proportional to 21,411.12, 32,097.55 and 16,705.43

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Solution

The fourth proportional to 21,411.12, 32,097.55 and 16,705.43 is: 25,043.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,411.12 : 32,097.55 = 16,705.43 : x
  2. Step 2: Convert to fraction form
    21,411.12/32,097.55 = 16,705.43/x
  3. Step 3: Cross multiply
    21,411.12x = 32,097.55 × 16,705.43
  4. Step 4: Simplify right side
    21,411.12x = 536,203,374.70
  5. Step 5: Solve for x
    x = 536,203,374.70/21,411.12
  6. Step 6: Final answer
    x = 25,043.22

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Half scale
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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.