Home / 28,699.02-39,604.62-15,951.80

Finding the Fourth Proportional to 28,699.02, 39,604.62 and 15,951.80

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Solution

The fourth proportional to 28,699.02, 39,604.62 and 15,951.80 is: 22,013.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,699.02 : 39,604.62 = 15,951.80 : x
  2. Step 2: Convert to fraction form
    28,699.02/39,604.62 = 15,951.80/x
  3. Step 3: Cross multiply
    28,699.02x = 39,604.62 × 15,951.80
  4. Step 4: Simplify right side
    28,699.02x = 631,764,977.32
  5. Step 5: Solve for x
    x = 631,764,977.32/28,699.02
  6. Step 6: Final answer
    x = 22,013.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.