Home / 17,200.57-25,800.87-4,720.76

Finding the Fourth Proportional to 17,200.57, 25,800.87 and 4,720.76

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Solution

The fourth proportional to 17,200.57, 25,800.87 and 4,720.76 is: 7,081.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,200.57 : 25,800.87 = 4,720.76 : x
  2. Step 2: Convert to fraction form
    17,200.57/25,800.87 = 4,720.76/x
  3. Step 3: Cross multiply
    17,200.57x = 25,800.87 × 4,720.76
  4. Step 4: Simplify right side
    17,200.57x = 121,799,715.06
  5. Step 5: Solve for x
    x = 121,799,715.06/17,200.57
  6. Step 6: Final answer
    x = 7,081.15

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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.