Home / 19,080.12-26,317.26-18,437.88

Finding the Fourth Proportional to 19,080.12, 26,317.26 and 18,437.88

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Solution

The fourth proportional to 19,080.12, 26,317.26 and 18,437.88 is: 25,431.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,080.12 : 26,317.26 = 18,437.88 : x
  2. Step 2: Convert to fraction form
    19,080.12/26,317.26 = 18,437.88/x
  3. Step 3: Cross multiply
    19,080.12x = 26,317.26 × 18,437.88
  4. Step 4: Simplify right side
    19,080.12x = 485,234,481.81
  5. Step 5: Solve for x
    x = 485,234,481.81/19,080.12
  6. Step 6: Final answer
    x = 25,431.42

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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.