Home / 21,735.60-32,595.30-7,690.20

Finding the Fourth Proportional to 21,735.60, 32,595.30 and 7,690.20

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Solution

The fourth proportional to 21,735.60, 32,595.30 and 7,690.20 is: 11,532.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,735.60 : 32,595.30 = 7,690.20 : x
  2. Step 2: Convert to fraction form
    21,735.60/32,595.30 = 7,690.20/x
  3. Step 3: Cross multiply
    21,735.60x = 32,595.30 × 7,690.20
  4. Step 4: Simplify right side
    21,735.60x = 250,664,376.06
  5. Step 5: Solve for x
    x = 250,664,376.06/21,735.60
  6. Step 6: Final answer
    x = 11,532.43

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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.