Home / 27,446.72-37,878.03-15,511.10

Finding the Fourth Proportional to 27,446.72, 37,878.03 and 15,511.10

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Solution

The fourth proportional to 27,446.72, 37,878.03 and 15,511.10 is: 21,406.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,446.72 : 37,878.03 = 15,511.10 : x
  2. Step 2: Convert to fraction form
    27,446.72/37,878.03 = 15,511.10/x
  3. Step 3: Cross multiply
    27,446.72x = 37,878.03 × 15,511.10
  4. Step 4: Simplify right side
    27,446.72x = 587,529,721.74
  5. Step 5: Solve for x
    x = 587,529,721.74/27,446.72
  6. Step 6: Final answer
    x = 21,406.19

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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.