Home / 28,522.66-39,361.38-15,947.38

Finding the Fourth Proportional to 28,522.66, 39,361.38 and 15,947.38

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Solution

The fourth proportional to 28,522.66, 39,361.38 and 15,947.38 is: 22,007.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,522.66 : 39,361.38 = 15,947.38 : x
  2. Step 2: Convert to fraction form
    28,522.66/39,361.38 = 15,947.38/x
  3. Step 3: Cross multiply
    28,522.66x = 39,361.38 × 15,947.38
  4. Step 4: Simplify right side
    28,522.66x = 627,710,884.18
  5. Step 5: Solve for x
    x = 627,710,884.18/28,522.66
  6. Step 6: Final answer
    x = 22,007.45

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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.