Home / 28,090.17-42,124.52-9,366.62

Finding the Fourth Proportional to 28,090.17, 42,124.52 and 9,366.62

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Solution

The fourth proportional to 28,090.17, 42,124.52 and 9,366.62 is: 14,046.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,090.17 : 42,124.52 = 9,366.62 : x
  2. Step 2: Convert to fraction form
    28,090.17/42,124.52 = 9,366.62/x
  3. Step 3: Cross multiply
    28,090.17x = 42,124.52 × 9,366.62
  4. Step 4: Simplify right side
    28,090.17x = 394,564,184.32
  5. Step 5: Solve for x
    x = 394,564,184.32/28,090.17
  6. Step 6: Final answer
    x = 14,046.34

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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.