Home / 21,720.24-32,578.20-10,033.29

Finding the Fourth Proportional to 21,720.24, 32,578.20 and 10,033.29

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Solution

The fourth proportional to 21,720.24, 32,578.20 and 10,033.29 is: 15,048.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,720.24 : 32,578.20 = 10,033.29 : x
  2. Step 2: Convert to fraction form
    21,720.24/32,578.20 = 10,033.29/x
  3. Step 3: Cross multiply
    21,720.24x = 32,578.20 × 10,033.29
  4. Step 4: Simplify right side
    21,720.24x = 326,866,528.28
  5. Step 5: Solve for x
    x = 326,866,528.28/21,720.24
  6. Step 6: Final answer
    x = 15,048.94

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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.