Home / 22,846.58-31,474.02-21,720.96

Finding the Fourth Proportional to 22,846.58, 31,474.02 and 21,720.96

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Solution

The fourth proportional to 22,846.58, 31,474.02 and 21,720.96 is: 29,923.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,846.58 : 31,474.02 = 21,720.96 : x
  2. Step 2: Convert to fraction form
    22,846.58/31,474.02 = 21,720.96/x
  3. Step 3: Cross multiply
    22,846.58x = 31,474.02 × 21,720.96
  4. Step 4: Simplify right side
    22,846.58x = 683,645,929.46
  5. Step 5: Solve for x
    x = 683,645,929.46/22,846.58
  6. Step 6: Final answer
    x = 29,923.34

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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.