Home / 29,329.64-40,474.46-15,900.66

Finding the Fourth Proportional to 29,329.64, 40,474.46 and 15,900.66

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Solution

The fourth proportional to 29,329.64, 40,474.46 and 15,900.66 is: 21,942.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,329.64 : 40,474.46 = 15,900.66 : x
  2. Step 2: Convert to fraction form
    29,329.64/40,474.46 = 15,900.66/x
  3. Step 3: Cross multiply
    29,329.64x = 40,474.46 × 15,900.66
  4. Step 4: Simplify right side
    29,329.64x = 643,570,627.14
  5. Step 5: Solve for x
    x = 643,570,627.14/29,329.64
  6. Step 6: Final answer
    x = 21,942.67

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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.