Home / 23,164.40-31,958.24-15,211.04

Finding the Fourth Proportional to 23,164.40, 31,958.24 and 15,211.04

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Solution

The fourth proportional to 23,164.40, 31,958.24 and 15,211.04 is: 20,985.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,164.40 : 31,958.24 = 15,211.04 : x
  2. Step 2: Convert to fraction form
    23,164.40/31,958.24 = 15,211.04/x
  3. Step 3: Cross multiply
    23,164.40x = 31,958.24 × 15,211.04
  4. Step 4: Simplify right side
    23,164.40x = 486,118,066.97
  5. Step 5: Solve for x
    x = 486,118,066.97/23,164.40
  6. Step 6: Final answer
    x = 20,985.57

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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.