Home / 31,273.28-43,154.88-17,123.84

Finding the Fourth Proportional to 31,273.28, 43,154.88 and 17,123.84

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Solution

The fourth proportional to 31,273.28, 43,154.88 and 17,123.84 is: 23,629.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,273.28 : 43,154.88 = 17,123.84 : x
  2. Step 2: Convert to fraction form
    31,273.28/43,154.88 = 17,123.84/x
  3. Step 3: Cross multiply
    31,273.28x = 43,154.88 × 17,123.84
  4. Step 4: Simplify right side
    31,273.28x = 738,977,260.34
  5. Step 5: Solve for x
    x = 738,977,260.34/31,273.28
  6. Step 6: Final answer
    x = 23,629.67

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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.