Home / 21,820.92-32,725.80-9,342.96

Finding the Fourth Proportional to 21,820.92, 32,725.80 and 9,342.96

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Solution

The fourth proportional to 21,820.92, 32,725.80 and 9,342.96 is: 14,012.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,820.92 : 32,725.80 = 9,342.96 : x
  2. Step 2: Convert to fraction form
    21,820.92/32,725.80 = 9,342.96/x
  3. Step 3: Cross multiply
    21,820.92x = 32,725.80 × 9,342.96
  4. Step 4: Simplify right side
    21,820.92x = 305,755,840.37
  5. Step 5: Solve for x
    x = 305,755,840.37/21,820.92
  6. Step 6: Final answer
    x = 14,012.05

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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.