Home / 28,090.24-38,764.73-15,514.99

Finding the Fourth Proportional to 28,090.24, 38,764.73 and 15,514.99

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Solution

The fourth proportional to 28,090.24, 38,764.73 and 15,514.99 is: 21,410.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,090.24 : 38,764.73 = 15,514.99 : x
  2. Step 2: Convert to fraction form
    28,090.24/38,764.73 = 15,514.99/x
  3. Step 3: Cross multiply
    28,090.24x = 38,764.73 × 15,514.99
  4. Step 4: Simplify right side
    28,090.24x = 601,434,126.90
  5. Step 5: Solve for x
    x = 601,434,126.90/28,090.24
  6. Step 6: Final answer
    x = 21,410.79

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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.