Home / 27,056.85-37,338.35-15,120.18

Finding the Fourth Proportional to 27,056.85, 37,338.35 and 15,120.18

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Solution

The fourth proportional to 27,056.85, 37,338.35 and 15,120.18 is: 20,865.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,056.85 : 37,338.35 = 15,120.18 : x
  2. Step 2: Convert to fraction form
    27,056.85/37,338.35 = 15,120.18/x
  3. Step 3: Cross multiply
    27,056.85x = 37,338.35 × 15,120.18
  4. Step 4: Simplify right side
    27,056.85x = 564,562,637.32
  5. Step 5: Solve for x
    x = 564,562,637.32/27,056.85
  6. Step 6: Final answer
    x = 20,865.79

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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.