Home / 17,200.25-25,800.40-4,720.45

Finding the Fourth Proportional to 17,200.25, 25,800.40 and 4,720.45

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Solution

The fourth proportional to 17,200.25, 25,800.40 and 4,720.45 is: 7,080.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,200.25 : 25,800.40 = 4,720.45 : x
  2. Step 2: Convert to fraction form
    17,200.25/25,800.40 = 4,720.45/x
  3. Step 3: Cross multiply
    17,200.25x = 25,800.40 × 4,720.45
  4. Step 4: Simplify right side
    17,200.25x = 121,789,439.58
  5. Step 5: Solve for x
    x = 121,789,439.58/17,200.25
  6. Step 6: Final answer
    x = 7,080.68

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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.