Home / 17,080.32-25,616.80-5,390.40

Finding the Fourth Proportional to 17,080.32, 25,616.80 and 5,390.40

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Solution

The fourth proportional to 17,080.32, 25,616.80 and 5,390.40 is: 8,084.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,080.32 : 25,616.80 = 5,390.40 : x
  2. Step 2: Convert to fraction form
    17,080.32/25,616.80 = 5,390.40/x
  3. Step 3: Cross multiply
    17,080.32x = 25,616.80 × 5,390.40
  4. Step 4: Simplify right side
    17,080.32x = 138,084,798.72
  5. Step 5: Solve for x
    x = 138,084,798.72/17,080.32
  6. Step 6: Final answer
    x = 8,084.44

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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.