Home / 28,709.68-43,059.65-7,933.18

Finding the Fourth Proportional to 28,709.68, 43,059.65 and 7,933.18

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Solution

The fourth proportional to 28,709.68, 43,059.65 and 7,933.18 is: 11,898.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,709.68 : 43,059.65 = 7,933.18 : x
  2. Step 2: Convert to fraction form
    28,709.68/43,059.65 = 7,933.18/x
  3. Step 3: Cross multiply
    28,709.68x = 43,059.65 × 7,933.18
  4. Step 4: Simplify right side
    28,709.68x = 341,599,954.19
  5. Step 5: Solve for x
    x = 341,599,954.19/28,709.68
  6. Step 6: Final answer
    x = 11,898.42

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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.