Home / 27,415.16-37,833.60-15,478.68

Finding the Fourth Proportional to 27,415.16, 37,833.60 and 15,478.68

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Solution

The fourth proportional to 27,415.16, 37,833.60 and 15,478.68 is: 21,360.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,415.16 : 37,833.60 = 15,478.68 : x
  2. Step 2: Convert to fraction form
    27,415.16/37,833.60 = 15,478.68/x
  3. Step 3: Cross multiply
    27,415.16x = 37,833.60 × 15,478.68
  4. Step 4: Simplify right side
    27,415.16x = 585,614,187.65
  5. Step 5: Solve for x
    x = 585,614,187.65/27,415.16
  6. Step 6: Final answer
    x = 21,360.96

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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.