Home / 28,690.42-43,042.55-9,967.73

Finding the Fourth Proportional to 28,690.42, 43,042.55 and 9,967.73

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Solution

The fourth proportional to 28,690.42, 43,042.55 and 9,967.73 is: 14,954.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,690.42 : 43,042.55 = 9,967.73 : x
  2. Step 2: Convert to fraction form
    28,690.42/43,042.55 = 9,967.73/x
  3. Step 3: Cross multiply
    28,690.42x = 43,042.55 × 9,967.73
  4. Step 4: Simplify right side
    28,690.42x = 429,036,739.49
  5. Step 5: Solve for x
    x = 429,036,739.49/28,690.42
  6. Step 6: Final answer
    x = 14,954.01

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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.