Home / 27,787.15-38,340.15-16,451.02

Finding the Fourth Proportional to 27,787.15, 38,340.15 and 16,451.02

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Solution

The fourth proportional to 27,787.15, 38,340.15 and 16,451.02 is: 22,698.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,787.15 : 38,340.15 = 16,451.02 : x
  2. Step 2: Convert to fraction form
    27,787.15/38,340.15 = 16,451.02/x
  3. Step 3: Cross multiply
    27,787.15x = 38,340.15 × 16,451.02
  4. Step 4: Simplify right side
    27,787.15x = 630,734,574.45
  5. Step 5: Solve for x
    x = 630,734,574.45/27,787.15
  6. Step 6: Final answer
    x = 22,698.79

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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.