Home / 22,107.22-30,440.40-16,664.20

Finding the Fourth Proportional to 22,107.22, 30,440.40 and 16,664.20

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Solution

The fourth proportional to 22,107.22, 30,440.40 and 16,664.20 is: 22,945.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,107.22 : 30,440.40 = 16,664.20 : x
  2. Step 2: Convert to fraction form
    22,107.22/30,440.40 = 16,664.20/x
  3. Step 3: Cross multiply
    22,107.22x = 30,440.40 × 16,664.20
  4. Step 4: Simplify right side
    22,107.22x = 507,264,761.48
  5. Step 5: Solve for x
    x = 507,264,761.48/22,107.22
  6. Step 6: Final answer
    x = 22,945.66

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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.