Home / 28,746.30-43,104.86-13,150.56

Finding the Fourth Proportional to 28,746.30, 43,104.86 and 13,150.56

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Solution

The fourth proportional to 28,746.30, 43,104.86 and 13,150.56 is: 19,719.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,746.30 : 43,104.86 = 13,150.56 : x
  2. Step 2: Convert to fraction form
    28,746.30/43,104.86 = 13,150.56/x
  3. Step 3: Cross multiply
    28,746.30x = 43,104.86 × 13,150.56
  4. Step 4: Simplify right side
    28,746.30x = 566,853,047.72
  5. Step 5: Solve for x
    x = 566,853,047.72/28,746.30
  6. Step 6: Final answer
    x = 19,719.17

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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.