Home / 21,336.72-32,005.08-5,755.56

Finding the Fourth Proportional to 21,336.72, 32,005.08 and 5,755.56

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Solution

The fourth proportional to 21,336.72, 32,005.08 and 5,755.56 is: 8,633.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,336.72 : 32,005.08 = 5,755.56 : x
  2. Step 2: Convert to fraction form
    21,336.72/32,005.08 = 5,755.56/x
  3. Step 3: Cross multiply
    21,336.72x = 32,005.08 × 5,755.56
  4. Step 4: Simplify right side
    21,336.72x = 184,207,158.24
  5. Step 5: Solve for x
    x = 184,207,158.24/21,336.72
  6. Step 6: Final answer
    x = 8,633.34

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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.