Home / 20,265.47-30,335.91-17,276.12

Finding the Fourth Proportional to 20,265.47, 30,335.91 and 17,276.12

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Solution

The fourth proportional to 20,265.47, 30,335.91 and 17,276.12 is: 25,861.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,265.47 : 30,335.91 = 17,276.12 : x
  2. Step 2: Convert to fraction form
    20,265.47/30,335.91 = 17,276.12/x
  3. Step 3: Cross multiply
    20,265.47x = 30,335.91 × 17,276.12
  4. Step 4: Simplify right side
    20,265.47x = 524,086,734.58
  5. Step 5: Solve for x
    x = 524,086,734.58/20,265.47
  6. Step 6: Final answer
    x = 25,861.08

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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.