Home / 21,764.87-32,647.31-14,367.60

Finding the Fourth Proportional to 21,764.87, 32,647.31 and 14,367.60

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Solution

The fourth proportional to 21,764.87, 32,647.31 and 14,367.60 is: 21,551.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,764.87 : 32,647.31 = 14,367.60 : x
  2. Step 2: Convert to fraction form
    21,764.87/32,647.31 = 14,367.60/x
  3. Step 3: Cross multiply
    21,764.87x = 32,647.31 × 14,367.60
  4. Step 4: Simplify right side
    21,764.87x = 469,063,473.20
  5. Step 5: Solve for x
    x = 469,063,473.20/21,764.87
  6. Step 6: Final answer
    x = 21,551.40

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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.