Home / 27,231.48-37,578.06-15,295.32

Finding the Fourth Proportional to 27,231.48, 37,578.06 and 15,295.32

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Solution

The fourth proportional to 27,231.48, 37,578.06 and 15,295.32 is: 21,106.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,231.48 : 37,578.06 = 15,295.32 : x
  2. Step 2: Convert to fraction form
    27,231.48/37,578.06 = 15,295.32/x
  3. Step 3: Cross multiply
    27,231.48x = 37,578.06 × 15,295.32
  4. Step 4: Simplify right side
    27,231.48x = 574,768,452.68
  5. Step 5: Solve for x
    x = 574,768,452.68/27,231.48
  6. Step 6: Final answer
    x = 21,106.77

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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.