Home / 23,764.68-32,857.86-20,812.20

Finding the Fourth Proportional to 23,764.68, 32,857.86 and 20,812.20

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Solution

The fourth proportional to 23,764.68, 32,857.86 and 20,812.20 is: 28,775.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,764.68 : 32,857.86 = 20,812.20 : x
  2. Step 2: Convert to fraction form
    23,764.68/32,857.86 = 20,812.20/x
  3. Step 3: Cross multiply
    23,764.68x = 32,857.86 × 20,812.20
  4. Step 4: Simplify right side
    23,764.68x = 683,844,353.89
  5. Step 5: Solve for x
    x = 683,844,353.89/23,764.68
  6. Step 6: Final answer
    x = 28,775.66

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.