Home / 28,590.24-42,892.62-8,599.62

Finding the Fourth Proportional to 28,590.24, 42,892.62 and 8,599.62

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Solution

The fourth proportional to 28,590.24, 42,892.62 and 8,599.62 is: 12,901.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,590.24 : 42,892.62 = 8,599.62 : x
  2. Step 2: Convert to fraction form
    28,590.24/42,892.62 = 8,599.62/x
  3. Step 3: Cross multiply
    28,590.24x = 42,892.62 × 8,599.62
  4. Step 4: Simplify right side
    28,590.24x = 368,860,232.80
  5. Step 5: Solve for x
    x = 368,860,232.80/28,590.24
  6. Step 6: Final answer
    x = 12,901.61

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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.