Home / 28,345.58-42,481.26-11,686.22

Finding the Fourth Proportional to 28,345.58, 42,481.26 and 11,686.22

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Solution

The fourth proportional to 28,345.58, 42,481.26 and 11,686.22 is: 17,514.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,345.58 : 42,481.26 = 11,686.22 : x
  2. Step 2: Convert to fraction form
    28,345.58/42,481.26 = 11,686.22/x
  3. Step 3: Cross multiply
    28,345.58x = 42,481.26 × 11,686.22
  4. Step 4: Simplify right side
    28,345.58x = 496,445,350.24
  5. Step 5: Solve for x
    x = 496,445,350.24/28,345.58
  6. Step 6: Final answer
    x = 17,514.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.