Home / 27,787.68-41,681.52-9,332.64

Finding the Fourth Proportional to 27,787.68, 41,681.52 and 9,332.64

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Solution

The fourth proportional to 27,787.68, 41,681.52 and 9,332.64 is: 13,998.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,787.68 : 41,681.52 = 9,332.64 : x
  2. Step 2: Convert to fraction form
    27,787.68/41,681.52 = 9,332.64/x
  3. Step 3: Cross multiply
    27,787.68x = 41,681.52 × 9,332.64
  4. Step 4: Simplify right side
    27,787.68x = 388,998,620.81
  5. Step 5: Solve for x
    x = 388,998,620.81/27,787.68
  6. Step 6: Final answer
    x = 13,998.96

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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.