Home / 17,268.64-25,878.24-7,405.28

Finding the Fourth Proportional to 17,268.64, 25,878.24 and 7,405.28

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Solution

The fourth proportional to 17,268.64, 25,878.24 and 7,405.28 is: 11,097.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,268.64 : 25,878.24 = 7,405.28 : x
  2. Step 2: Convert to fraction form
    17,268.64/25,878.24 = 7,405.28/x
  3. Step 3: Cross multiply
    17,268.64x = 25,878.24 × 7,405.28
  4. Step 4: Simplify right side
    17,268.64x = 191,635,613.11
  5. Step 5: Solve for x
    x = 191,635,613.11/17,268.64
  6. Step 6: Final answer
    x = 11,097.32

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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.