Home / 21,845.77-32,760.30-7,803.16

Finding the Fourth Proportional to 21,845.77, 32,760.30 and 7,803.16

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Solution

The fourth proportional to 21,845.77, 32,760.30 and 7,803.16 is: 11,701.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,845.77 : 32,760.30 = 7,803.16 : x
  2. Step 2: Convert to fraction form
    21,845.77/32,760.30 = 7,803.16/x
  3. Step 3: Cross multiply
    21,845.77x = 32,760.30 × 7,803.16
  4. Step 4: Simplify right side
    21,845.77x = 255,633,698.75
  5. Step 5: Solve for x
    x = 255,633,698.75/21,845.77
  6. Step 6: Final answer
    x = 11,701.75

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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.