Home / 22,363.31-30,828.85-15,628.03

Finding the Fourth Proportional to 22,363.31, 30,828.85 and 15,628.03

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Solution

The fourth proportional to 22,363.31, 30,828.85 and 15,628.03 is: 21,543.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,363.31 : 30,828.85 = 15,628.03 : x
  2. Step 2: Convert to fraction form
    22,363.31/30,828.85 = 15,628.03/x
  3. Step 3: Cross multiply
    22,363.31x = 30,828.85 × 15,628.03
  4. Step 4: Simplify right side
    22,363.31x = 481,794,076.52
  5. Step 5: Solve for x
    x = 481,794,076.52/22,363.31
  6. Step 6: Final answer
    x = 21,543.95

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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.