Home / 27,815.36-38,372.34-24,631.90

Finding the Fourth Proportional to 27,815.36, 38,372.34 and 24,631.90

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Solution

The fourth proportional to 27,815.36, 38,372.34 and 24,631.90 is: 33,980.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,815.36 : 38,372.34 = 24,631.90 : x
  2. Step 2: Convert to fraction form
    27,815.36/38,372.34 = 24,631.90/x
  3. Step 3: Cross multiply
    27,815.36x = 38,372.34 × 24,631.90
  4. Step 4: Simplify right side
    27,815.36x = 945,183,641.65
  5. Step 5: Solve for x
    x = 945,183,641.65/27,815.36
  6. Step 6: Final answer
    x = 33,980.64

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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.