Home / 27,519.96-37,977.69-15,585.62

Finding the Fourth Proportional to 27,519.96, 37,977.69 and 15,585.62

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Solution

The fourth proportional to 27,519.96, 37,977.69 and 15,585.62 is: 21,508.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,519.96 : 37,977.69 = 15,585.62 : x
  2. Step 2: Convert to fraction form
    27,519.96/37,977.69 = 15,585.62/x
  3. Step 3: Cross multiply
    27,519.96x = 37,977.69 × 15,585.62
  4. Step 4: Simplify right side
    27,519.96x = 591,905,844.82
  5. Step 5: Solve for x
    x = 591,905,844.82/27,519.96
  6. Step 6: Final answer
    x = 21,508.24

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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.