Home / 21,754.52-32,646.36-13,968.80

Finding the Fourth Proportional to 21,754.52, 32,646.36 and 13,968.80

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Solution

The fourth proportional to 21,754.52, 32,646.36 and 13,968.80 is: 20,962.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,754.52 : 32,646.36 = 13,968.80 : x
  2. Step 2: Convert to fraction form
    21,754.52/32,646.36 = 13,968.80/x
  3. Step 3: Cross multiply
    21,754.52x = 32,646.36 × 13,968.80
  4. Step 4: Simplify right side
    21,754.52x = 456,030,473.57
  5. Step 5: Solve for x
    x = 456,030,473.57/21,754.52
  6. Step 6: Final answer
    x = 20,962.56

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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.