Home / 27,787.55-38,350.46-15,848.15

Finding the Fourth Proportional to 27,787.55, 38,350.46 and 15,848.15

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Solution

The fourth proportional to 27,787.55, 38,350.46 and 15,848.15 is: 21,872.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,787.55 : 38,350.46 = 15,848.15 : x
  2. Step 2: Convert to fraction form
    27,787.55/38,350.46 = 15,848.15/x
  3. Step 3: Cross multiply
    27,787.55x = 38,350.46 × 15,848.15
  4. Step 4: Simplify right side
    27,787.55x = 607,783,690.52
  5. Step 5: Solve for x
    x = 607,783,690.52/27,787.55
  6. Step 6: Final answer
    x = 21,872.52

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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.