Home / 28,750.22-43,110.74-13,154.48

Finding the Fourth Proportional to 28,750.22, 43,110.74 and 13,154.48

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Solution

The fourth proportional to 28,750.22, 43,110.74 and 13,154.48 is: 19,725.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,750.22 : 43,110.74 = 13,154.48 : x
  2. Step 2: Convert to fraction form
    28,750.22/43,110.74 = 13,154.48/x
  3. Step 3: Cross multiply
    28,750.22x = 43,110.74 × 13,154.48
  4. Step 4: Simplify right side
    28,750.22x = 567,099,085.79
  5. Step 5: Solve for x
    x = 567,099,085.79/28,750.22
  6. Step 6: Final answer
    x = 19,725.04

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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.