Home / 39,289.46-54,282.86-27,405.84

Finding the Fourth Proportional to 39,289.46, 54,282.86 and 27,405.84

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Solution

The fourth proportional to 39,289.46, 54,282.86 and 27,405.84 is: 37,864.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,289.46 : 54,282.86 = 27,405.84 : x
  2. Step 2: Convert to fraction form
    39,289.46/54,282.86 = 27,405.84/x
  3. Step 3: Cross multiply
    39,289.46x = 54,282.86 × 27,405.84
  4. Step 4: Simplify right side
    39,289.46x = 1,487,667,545.21
  5. Step 5: Solve for x
    x = 1,487,667,545.21/39,289.46
  6. Step 6: Final answer
    x = 37,864.30

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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.