Home / 27,056.96-37,340.08-15,120.32

Finding the Fourth Proportional to 27,056.96, 37,340.08 and 15,120.32

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Solution

The fourth proportional to 27,056.96, 37,340.08 and 15,120.32 is: 20,866.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,056.96 : 37,340.08 = 15,120.32 : x
  2. Step 2: Convert to fraction form
    27,056.96/37,340.08 = 15,120.32/x
  3. Step 3: Cross multiply
    27,056.96x = 37,340.08 × 15,120.32
  4. Step 4: Simplify right side
    27,056.96x = 564,593,958.43
  5. Step 5: Solve for x
    x = 564,593,958.43/27,056.96
  6. Step 6: Final answer
    x = 20,866.87

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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.