Home / 28,769.53-43,159.74-11,238.25

Finding the Fourth Proportional to 28,769.53, 43,159.74 and 11,238.25

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Solution

The fourth proportional to 28,769.53, 43,159.74 and 11,238.25 is: 16,859.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,769.53 : 43,159.74 = 11,238.25 : x
  2. Step 2: Convert to fraction form
    28,769.53/43,159.74 = 11,238.25/x
  3. Step 3: Cross multiply
    28,769.53x = 43,159.74 × 11,238.25
  4. Step 4: Simplify right side
    28,769.53x = 485,039,948.06
  5. Step 5: Solve for x
    x = 485,039,948.06/28,769.53
  6. Step 6: Final answer
    x = 16,859.50

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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.