Home / 23,972.22-33,066.23-15,905.70

Finding the Fourth Proportional to 23,972.22, 33,066.23 and 15,905.70

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Solution

The fourth proportional to 23,972.22, 33,066.23 and 15,905.70 is: 21,939.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,972.22 : 33,066.23 = 15,905.70 : x
  2. Step 2: Convert to fraction form
    23,972.22/33,066.23 = 15,905.70/x
  3. Step 3: Cross multiply
    23,972.22x = 33,066.23 × 15,905.70
  4. Step 4: Simplify right side
    23,972.22x = 525,941,454.98
  5. Step 5: Solve for x
    x = 525,941,454.98/23,972.22
  6. Step 6: Final answer
    x = 21,939.62

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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.