Home / 28,714.75-43,068.69-7,656.37

Finding the Fourth Proportional to 28,714.75, 43,068.69 and 7,656.37

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Solution

The fourth proportional to 28,714.75, 43,068.69 and 7,656.37 is: 11,483.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,714.75 : 43,068.69 = 7,656.37 : x
  2. Step 2: Convert to fraction form
    28,714.75/43,068.69 = 7,656.37/x
  3. Step 3: Cross multiply
    28,714.75x = 43,068.69 × 7,656.37
  4. Step 4: Simplify right side
    28,714.75x = 329,749,826.06
  5. Step 5: Solve for x
    x = 329,749,826.06/28,714.75
  6. Step 6: Final answer
    x = 11,483.64

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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.