Home / 28,890.68-43,323.06-9,165.56

Finding the Fourth Proportional to 28,890.68, 43,323.06 and 9,165.56

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Solution

The fourth proportional to 28,890.68, 43,323.06 and 9,165.56 is: 13,744.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,890.68 : 43,323.06 = 9,165.56 : x
  2. Step 2: Convert to fraction form
    28,890.68/43,323.06 = 9,165.56/x
  3. Step 3: Cross multiply
    28,890.68x = 43,323.06 × 9,165.56
  4. Step 4: Simplify right side
    28,890.68x = 397,080,105.81
  5. Step 5: Solve for x
    x = 397,080,105.81/28,890.68
  6. Step 6: Final answer
    x = 13,744.23

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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.