Home / 28,415.44-42,620.32-8,694.17

Finding the Fourth Proportional to 28,415.44, 42,620.32 and 8,694.17

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Solution

The fourth proportional to 28,415.44, 42,620.32 and 8,694.17 is: 13,040.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,415.44 : 42,620.32 = 8,694.17 : x
  2. Step 2: Convert to fraction form
    28,415.44/42,620.32 = 8,694.17/x
  3. Step 3: Cross multiply
    28,415.44x = 42,620.32 × 8,694.17
  4. Step 4: Simplify right side
    28,415.44x = 370,548,307.53
  5. Step 5: Solve for x
    x = 370,548,307.53/28,415.44
  6. Step 6: Final answer
    x = 13,040.39

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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.