Home / 20,066.12-30,099.02-15,687.26

Finding the Fourth Proportional to 20,066.12, 30,099.02 and 15,687.26

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Solution

The fourth proportional to 20,066.12, 30,099.02 and 15,687.26 is: 23,530.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,066.12 : 30,099.02 = 15,687.26 : x
  2. Step 2: Convert to fraction form
    20,066.12/30,099.02 = 15,687.26/x
  3. Step 3: Cross multiply
    20,066.12x = 30,099.02 × 15,687.26
  4. Step 4: Simplify right side
    20,066.12x = 472,171,152.49
  5. Step 5: Solve for x
    x = 472,171,152.49/20,066.12
  6. Step 6: Final answer
    x = 23,530.76

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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.