Home / 27,737.31-38,268.12-15,792.19

Finding the Fourth Proportional to 27,737.31, 38,268.12 and 15,792.19

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Solution

The fourth proportional to 27,737.31, 38,268.12 and 15,792.19 is: 21,787.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,737.31 : 38,268.12 = 15,792.19 : x
  2. Step 2: Convert to fraction form
    27,737.31/38,268.12 = 15,792.19/x
  3. Step 3: Cross multiply
    27,737.31x = 38,268.12 × 15,792.19
  4. Step 4: Simplify right side
    27,737.31x = 604,337,230.64
  5. Step 5: Solve for x
    x = 604,337,230.64/27,737.31
  6. Step 6: Final answer
    x = 21,787.88

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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.