Home / 21,875.37-32,819.84-9,231.68

Finding the Fourth Proportional to 21,875.37, 32,819.84 and 9,231.68

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Solution

The fourth proportional to 21,875.37, 32,819.84 and 9,231.68 is: 13,850.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,875.37 : 32,819.84 = 9,231.68 : x
  2. Step 2: Convert to fraction form
    21,875.37/32,819.84 = 9,231.68/x
  3. Step 3: Cross multiply
    21,875.37x = 32,819.84 × 9,231.68
  4. Step 4: Simplify right side
    21,875.37x = 302,982,050.27
  5. Step 5: Solve for x
    x = 302,982,050.27/21,875.37
  6. Step 6: Final answer
    x = 13,850.37

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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.