Home / 28,730.99-43,096.48-9,011.09

Finding the Fourth Proportional to 28,730.99, 43,096.48 and 9,011.09

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Solution

The fourth proportional to 28,730.99, 43,096.48 and 9,011.09 is: 13,516.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,730.99 : 43,096.48 = 9,011.09 : x
  2. Step 2: Convert to fraction form
    28,730.99/43,096.48 = 9,011.09/x
  3. Step 3: Cross multiply
    28,730.99x = 43,096.48 × 9,011.09
  4. Step 4: Simplify right side
    28,730.99x = 388,346,021.95
  5. Step 5: Solve for x
    x = 388,346,021.95/28,730.99
  6. Step 6: Final answer
    x = 13,516.63

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Double scale
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Similar ratio
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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.