Home / 20,175.47-30,263.35-7,027.80

Finding the Fourth Proportional to 20,175.47, 30,263.35 and 7,027.80

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Solution

The fourth proportional to 20,175.47, 30,263.35 and 7,027.80 is: 10,541.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,175.47 : 30,263.35 = 7,027.80 : x
  2. Step 2: Convert to fraction form
    20,175.47/30,263.35 = 7,027.80/x
  3. Step 3: Cross multiply
    20,175.47x = 30,263.35 × 7,027.80
  4. Step 4: Simplify right side
    20,175.47x = 212,684,771.13
  5. Step 5: Solve for x
    x = 212,684,771.13/20,175.47
  6. Step 6: Final answer
    x = 10,541.75

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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.