Home / 28,634.12-42,951.17-15,512.12

Finding the Fourth Proportional to 28,634.12, 42,951.17 and 15,512.12

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Solution

The fourth proportional to 28,634.12, 42,951.17 and 15,512.12 is: 23,268.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,634.12 : 42,951.17 = 15,512.12 : x
  2. Step 2: Convert to fraction form
    28,634.12/42,951.17 = 15,512.12/x
  3. Step 3: Cross multiply
    28,634.12x = 42,951.17 × 15,512.12
  4. Step 4: Simplify right side
    28,634.12x = 666,263,410.86
  5. Step 5: Solve for x
    x = 666,263,410.86/28,634.12
  6. Step 6: Final answer
    x = 23,268.17

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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.