Home / 27,164.10-37,488.04-15,231.28

Finding the Fourth Proportional to 27,164.10, 37,488.04 and 15,231.28

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Solution

The fourth proportional to 27,164.10, 37,488.04 and 15,231.28 is: 21,020.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,164.10 : 37,488.04 = 15,231.28 : x
  2. Step 2: Convert to fraction form
    27,164.10/37,488.04 = 15,231.28/x
  3. Step 3: Cross multiply
    27,164.10x = 37,488.04 × 15,231.28
  4. Step 4: Simplify right side
    27,164.10x = 570,990,833.89
  5. Step 5: Solve for x
    x = 570,990,833.89/27,164.10
  6. Step 6: Final answer
    x = 21,020.05

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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.