Home / 21,968.20-32,952.30-13,673.80

Finding the Fourth Proportional to 21,968.20, 32,952.30 and 13,673.80

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Solution

The fourth proportional to 21,968.20, 32,952.30 and 13,673.80 is: 20,510.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,968.20 : 32,952.30 = 13,673.80 : x
  2. Step 2: Convert to fraction form
    21,968.20/32,952.30 = 13,673.80/x
  3. Step 3: Cross multiply
    21,968.20x = 32,952.30 × 13,673.80
  4. Step 4: Simplify right side
    21,968.20x = 450,583,159.74
  5. Step 5: Solve for x
    x = 450,583,159.74/21,968.20
  6. Step 6: Final answer
    x = 20,510.70

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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.