Home / 28,684.48-43,026.74-8,964.73

Finding the Fourth Proportional to 28,684.48, 43,026.74 and 8,964.73

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Solution

The fourth proportional to 28,684.48, 43,026.74 and 8,964.73 is: 13,447.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,684.48 : 43,026.74 = 8,964.73 : x
  2. Step 2: Convert to fraction form
    28,684.48/43,026.74 = 8,964.73/x
  3. Step 3: Cross multiply
    28,684.48x = 43,026.74 × 8,964.73
  4. Step 4: Simplify right side
    28,684.48x = 385,723,106.88
  5. Step 5: Solve for x
    x = 385,723,106.88/28,684.48
  6. Step 6: Final answer
    x = 13,447.10

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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.