Home / 27,382.34-37,787.58-15,445.64

Finding the Fourth Proportional to 27,382.34, 37,787.58 and 15,445.64

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Solution

The fourth proportional to 27,382.34, 37,787.58 and 15,445.64 is: 21,314.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,382.34 : 37,787.58 = 15,445.64 : x
  2. Step 2: Convert to fraction form
    27,382.34/37,787.58 = 15,445.64/x
  3. Step 3: Cross multiply
    27,382.34x = 37,787.58 × 15,445.64
  4. Step 4: Simplify right side
    27,382.34x = 583,653,451.62
  5. Step 5: Solve for x
    x = 583,653,451.62/27,382.34
  6. Step 6: Final answer
    x = 21,314.96

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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.