Home / 21,528.87-32,295.74-9,046.57

Finding the Fourth Proportional to 21,528.87, 32,295.74 and 9,046.57

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Solution

The fourth proportional to 21,528.87, 32,295.74 and 9,046.57 is: 13,570.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,528.87 : 32,295.74 = 9,046.57 : x
  2. Step 2: Convert to fraction form
    21,528.87/32,295.74 = 9,046.57/x
  3. Step 3: Cross multiply
    21,528.87x = 32,295.74 × 9,046.57
  4. Step 4: Simplify right side
    21,528.87x = 292,165,546.64
  5. Step 5: Solve for x
    x = 292,165,546.64/21,528.87
  6. Step 6: Final answer
    x = 13,570.87

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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.