Home / 27,874.91-38,466.14-15,939.02

Finding the Fourth Proportional to 27,874.91, 38,466.14 and 15,939.02

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Solution

The fourth proportional to 27,874.91, 38,466.14 and 15,939.02 is: 21,995.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,874.91 : 38,466.14 = 15,939.02 : x
  2. Step 2: Convert to fraction form
    27,874.91/38,466.14 = 15,939.02/x
  3. Step 3: Cross multiply
    27,874.91x = 38,466.14 × 15,939.02
  4. Step 4: Simplify right side
    27,874.91x = 613,112,302.76
  5. Step 5: Solve for x
    x = 613,112,302.76/27,874.91
  6. Step 6: Final answer
    x = 21,995.14

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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.