Home / 21,601.73-32,329.44-13,287.01

Finding the Fourth Proportional to 21,601.73, 32,329.44 and 13,287.01

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Solution

The fourth proportional to 21,601.73, 32,329.44 and 13,287.01 is: 19,885.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,601.73 : 32,329.44 = 13,287.01 : x
  2. Step 2: Convert to fraction form
    21,601.73/32,329.44 = 13,287.01/x
  3. Step 3: Cross multiply
    21,601.73x = 32,329.44 × 13,287.01
  4. Step 4: Simplify right side
    21,601.73x = 429,561,592.57
  5. Step 5: Solve for x
    x = 429,561,592.57/21,601.73
  6. Step 6: Final answer
    x = 19,885.52

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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.