Home / 22,938.60-31,662-14,982.06

Finding the Fourth Proportional to 22,938.60, 31,662 and 14,982.06

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Solution

The fourth proportional to 22,938.60, 31,662 and 14,982.06 is: 20,679.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,938.60 : 31,662 = 14,982.06 : x
  2. Step 2: Convert to fraction form
    22,938.60/31,662 = 14,982.06/x
  3. Step 3: Cross multiply
    22,938.60x = 31,662 × 14,982.06
  4. Step 4: Simplify right side
    22,938.60x = 474,361,983.72
  5. Step 5: Solve for x
    x = 474,361,983.72/22,938.60
  6. Step 6: Final answer
    x = 20,679.64

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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.