Home / 29,419.67-40,599.42-15,990.96

Finding the Fourth Proportional to 29,419.67, 40,599.42 and 15,990.96

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Solution

The fourth proportional to 29,419.67, 40,599.42 and 15,990.96 is: 22,067.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,419.67 : 40,599.42 = 15,990.96 : x
  2. Step 2: Convert to fraction form
    29,419.67/40,599.42 = 15,990.96/x
  3. Step 3: Cross multiply
    29,419.67x = 40,599.42 × 15,990.96
  4. Step 4: Simplify right side
    29,419.67x = 649,223,498.25
  5. Step 5: Solve for x
    x = 649,223,498.25/29,419.67
  6. Step 6: Final answer
    x = 22,067.67

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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.