Home / 14,528.20-21,788.32-3,995.68

Finding the Fourth Proportional to 14,528.20, 21,788.32 and 3,995.68

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Solution

The fourth proportional to 14,528.20, 21,788.32 and 3,995.68 is: 5,992.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,528.20 : 21,788.32 = 3,995.68 : x
  2. Step 2: Convert to fraction form
    14,528.20/21,788.32 = 3,995.68/x
  3. Step 3: Cross multiply
    14,528.20x = 21,788.32 × 3,995.68
  4. Step 4: Simplify right side
    14,528.20x = 87,059,154.46
  5. Step 5: Solve for x
    x = 87,059,154.46/14,528.20
  6. Step 6: Final answer
    x = 5,992.43

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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.