Home / 28,734.08-43,066.24-12,087.68

Finding the Fourth Proportional to 28,734.08, 43,066.24 and 12,087.68

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Solution

The fourth proportional to 28,734.08, 43,066.24 and 12,087.68 is: 18,116.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,734.08 : 43,066.24 = 12,087.68 : x
  2. Step 2: Convert to fraction form
    28,734.08/43,066.24 = 12,087.68/x
  3. Step 3: Cross multiply
    28,734.08x = 43,066.24 × 12,087.68
  4. Step 4: Simplify right side
    28,734.08x = 520,570,927.92
  5. Step 5: Solve for x
    x = 520,570,927.92/28,734.08
  6. Step 6: Final answer
    x = 18,116.85

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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.