Home / 35,815.87-53,723.74-9,520.61

Finding the Fourth Proportional to 35,815.87, 53,723.74 and 9,520.61

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Solution

The fourth proportional to 35,815.87, 53,723.74 and 9,520.61 is: 14,280.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,815.87 : 53,723.74 = 9,520.61 : x
  2. Step 2: Convert to fraction form
    35,815.87/53,723.74 = 9,520.61/x
  3. Step 3: Cross multiply
    35,815.87x = 53,723.74 × 9,520.61
  4. Step 4: Simplify right side
    35,815.87x = 511,482,776.28
  5. Step 5: Solve for x
    x = 511,482,776.28/35,815.87
  6. Step 6: Final answer
    x = 14,280.90

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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.