Home / 28,310.52-42,465.30-7,250.37

Finding the Fourth Proportional to 28,310.52, 42,465.30 and 7,250.37

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Solution

The fourth proportional to 28,310.52, 42,465.30 and 7,250.37 is: 10,875.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,310.52 : 42,465.30 = 7,250.37 : x
  2. Step 2: Convert to fraction form
    28,310.52/42,465.30 = 7,250.37/x
  3. Step 3: Cross multiply
    28,310.52x = 42,465.30 × 7,250.37
  4. Step 4: Simplify right side
    28,310.52x = 307,889,137.16
  5. Step 5: Solve for x
    x = 307,889,137.16/28,310.52
  6. Step 6: Final answer
    x = 10,875.43

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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.