Home / 27,519.46-37,977-15,585.12

Finding the Fourth Proportional to 27,519.46, 37,977 and 15,585.12

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Solution

The fourth proportional to 27,519.46, 37,977 and 15,585.12 is: 21,507.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,519.46 : 37,977 = 15,585.12 : x
  2. Step 2: Convert to fraction form
    27,519.46/37,977 = 15,585.12/x
  3. Step 3: Cross multiply
    27,519.46x = 37,977 × 15,585.12
  4. Step 4: Simplify right side
    27,519.46x = 591,876,102.24
  5. Step 5: Solve for x
    x = 591,876,102.24/27,519.46
  6. Step 6: Final answer
    x = 21,507.55

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Double scale
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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.