Home / 28,037.30-42,063.02-9,317.43

Finding the Fourth Proportional to 28,037.30, 42,063.02 and 9,317.43

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Solution

The fourth proportional to 28,037.30, 42,063.02 and 9,317.43 is: 13,978.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,037.30 : 42,063.02 = 9,317.43 : x
  2. Step 2: Convert to fraction form
    28,037.30/42,063.02 = 9,317.43/x
  3. Step 3: Cross multiply
    28,037.30x = 42,063.02 × 9,317.43
  4. Step 4: Simplify right side
    28,037.30x = 391,919,244.44
  5. Step 5: Solve for x
    x = 391,919,244.44/28,037.30
  6. Step 6: Final answer
    x = 13,978.49

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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.