Home / 28,714.55-43,068.40-7,656.17

Finding the Fourth Proportional to 28,714.55, 43,068.40 and 7,656.17

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Solution

The fourth proportional to 28,714.55, 43,068.40 and 7,656.17 is: 11,483.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,714.55 : 43,068.40 = 7,656.17 : x
  2. Step 2: Convert to fraction form
    28,714.55/43,068.40 = 7,656.17/x
  3. Step 3: Cross multiply
    28,714.55x = 43,068.40 × 7,656.17
  4. Step 4: Simplify right side
    28,714.55x = 329,738,757.55
  5. Step 5: Solve for x
    x = 329,738,757.55/28,714.55
  6. Step 6: Final answer
    x = 11,483.34

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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.