Home / 26,939.88-37,173.77-15,454.20

Finding the Fourth Proportional to 26,939.88, 37,173.77 and 15,454.20

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Solution

The fourth proportional to 26,939.88, 37,173.77 and 15,454.20 is: 21,324.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,939.88 : 37,173.77 = 15,454.20 : x
  2. Step 2: Convert to fraction form
    26,939.88/37,173.77 = 15,454.20/x
  3. Step 3: Cross multiply
    26,939.88x = 37,173.77 × 15,454.20
  4. Step 4: Simplify right side
    26,939.88x = 574,490,613.19
  5. Step 5: Solve for x
    x = 574,490,613.19/26,939.88
  6. Step 6: Final answer
    x = 21,324.91

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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.