Home / 22,013.66-30,401.37-20,603.04

Finding the Fourth Proportional to 22,013.66, 30,401.37 and 20,603.04

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Solution

The fourth proportional to 22,013.66, 30,401.37 and 20,603.04 is: 28,453.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,013.66 : 30,401.37 = 20,603.04 : x
  2. Step 2: Convert to fraction form
    22,013.66/30,401.37 = 20,603.04/x
  3. Step 3: Cross multiply
    22,013.66x = 30,401.37 × 20,603.04
  4. Step 4: Simplify right side
    22,013.66x = 626,360,642.16
  5. Step 5: Solve for x
    x = 626,360,642.16/22,013.66
  6. Step 6: Final answer
    x = 28,453.27

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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.