Home / 21,656.77-32,485.15-9,176.52

Finding the Fourth Proportional to 21,656.77, 32,485.15 and 9,176.52

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Solution

The fourth proportional to 21,656.77, 32,485.15 and 9,176.52 is: 13,764.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,656.77 : 32,485.15 = 9,176.52 : x
  2. Step 2: Convert to fraction form
    21,656.77/32,485.15 = 9,176.52/x
  3. Step 3: Cross multiply
    21,656.77x = 32,485.15 × 9,176.52
  4. Step 4: Simplify right side
    21,656.77x = 298,100,487.87
  5. Step 5: Solve for x
    x = 298,100,487.87/21,656.77
  6. Step 6: Final answer
    x = 13,764.77

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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.