Home / 22,898.76-31,546.34-21,520.95

Finding the Fourth Proportional to 22,898.76, 31,546.34 and 21,520.95

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Solution

The fourth proportional to 22,898.76, 31,546.34 and 21,520.95 is: 29,648.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,898.76 : 31,546.34 = 21,520.95 : x
  2. Step 2: Convert to fraction form
    22,898.76/31,546.34 = 21,520.95/x
  3. Step 3: Cross multiply
    22,898.76x = 31,546.34 × 21,520.95
  4. Step 4: Simplify right side
    22,898.76x = 678,907,205.82
  5. Step 5: Solve for x
    x = 678,907,205.82/22,898.76
  6. Step 6: Final answer
    x = 29,648.21

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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.