Home / 22,127.67-30,566.03-20,553.03

Finding the Fourth Proportional to 22,127.67, 30,566.03 and 20,553.03

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Solution

The fourth proportional to 22,127.67, 30,566.03 and 20,553.03 is: 28,390.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,127.67 : 30,566.03 = 20,553.03 : x
  2. Step 2: Convert to fraction form
    22,127.67/30,566.03 = 20,553.03/x
  3. Step 3: Cross multiply
    22,127.67x = 30,566.03 × 20,553.03
  4. Step 4: Simplify right side
    22,127.67x = 628,224,428.81
  5. Step 5: Solve for x
    x = 628,224,428.81/22,127.67
  6. Step 6: Final answer
    x = 28,390.90

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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.