Home / 15,787.26-23,686.29-7,028.28

Finding the Fourth Proportional to 15,787.26, 23,686.29 and 7,028.28

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Solution

The fourth proportional to 15,787.26, 23,686.29 and 7,028.28 is: 10,544.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,787.26 : 23,686.29 = 7,028.28 : x
  2. Step 2: Convert to fraction form
    15,787.26/23,686.29 = 7,028.28/x
  3. Step 3: Cross multiply
    15,787.26x = 23,686.29 × 7,028.28
  4. Step 4: Simplify right side
    15,787.26x = 166,473,878.28
  5. Step 5: Solve for x
    x = 166,473,878.28/15,787.26
  6. Step 6: Final answer
    x = 10,544.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.