Home / 28,782.06-43,197.70-11,264.19

Finding the Fourth Proportional to 28,782.06, 43,197.70 and 11,264.19

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Solution

The fourth proportional to 28,782.06, 43,197.70 and 11,264.19 is: 16,905.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,782.06 : 43,197.70 = 11,264.19 : x
  2. Step 2: Convert to fraction form
    28,782.06/43,197.70 = 11,264.19/x
  3. Step 3: Cross multiply
    28,782.06x = 43,197.70 × 11,264.19
  4. Step 4: Simplify right side
    28,782.06x = 486,587,100.36
  5. Step 5: Solve for x
    x = 486,587,100.36/28,782.06
  6. Step 6: Final answer
    x = 16,905.92

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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.