Home / 22,012.66-30,399.99-20,602.04

Finding the Fourth Proportional to 22,012.66, 30,399.99 and 20,602.04

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Solution

The fourth proportional to 22,012.66, 30,399.99 and 20,602.04 is: 28,451.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,012.66 : 30,399.99 = 20,602.04 : x
  2. Step 2: Convert to fraction form
    22,012.66/30,399.99 = 20,602.04/x
  3. Step 3: Cross multiply
    22,012.66x = 30,399.99 × 20,602.04
  4. Step 4: Simplify right side
    22,012.66x = 626,301,809.98
  5. Step 5: Solve for x
    x = 626,301,809.98/22,012.66
  6. Step 6: Final answer
    x = 28,451.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.