Home / 28,137.56-42,206.34-11,497.58

Finding the Fourth Proportional to 28,137.56, 42,206.34 and 11,497.58

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Solution

The fourth proportional to 28,137.56, 42,206.34 and 11,497.58 is: 17,246.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,137.56 : 42,206.34 = 11,497.58 : x
  2. Step 2: Convert to fraction form
    28,137.56/42,206.34 = 11,497.58/x
  3. Step 3: Cross multiply
    28,137.56x = 42,206.34 × 11,497.58
  4. Step 4: Simplify right side
    28,137.56x = 485,270,770.66
  5. Step 5: Solve for x
    x = 485,270,770.66/28,137.56
  6. Step 6: Final answer
    x = 17,246.37

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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.