Home / 27,874.14-38,466.03-15,127.30

Finding the Fourth Proportional to 27,874.14, 38,466.03 and 15,127.30

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Solution

The fourth proportional to 27,874.14, 38,466.03 and 15,127.30 is: 20,875.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,874.14 : 38,466.03 = 15,127.30 : x
  2. Step 2: Convert to fraction form
    27,874.14/38,466.03 = 15,127.30/x
  3. Step 3: Cross multiply
    27,874.14x = 38,466.03 × 15,127.30
  4. Step 4: Simplify right side
    27,874.14x = 581,887,175.62
  5. Step 5: Solve for x
    x = 581,887,175.62/27,874.14
  6. Step 6: Final answer
    x = 20,875.52

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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.