Home / 28,069.26-38,735.36-15,322.38

Finding the Fourth Proportional to 28,069.26, 38,735.36 and 15,322.38

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Solution

The fourth proportional to 28,069.26, 38,735.36 and 15,322.38 is: 21,144.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,069.26 : 38,735.36 = 15,322.38 : x
  2. Step 2: Convert to fraction form
    28,069.26/38,735.36 = 15,322.38/x
  3. Step 3: Cross multiply
    28,069.26x = 38,735.36 × 15,322.38
  4. Step 4: Simplify right side
    28,069.26x = 593,517,905.36
  5. Step 5: Solve for x
    x = 593,517,905.36/28,069.26
  6. Step 6: Final answer
    x = 21,144.76

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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.