Home / 28,810.31-43,215.14-7,462.93

Finding the Fourth Proportional to 28,810.31, 43,215.14 and 7,462.93

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Solution

The fourth proportional to 28,810.31, 43,215.14 and 7,462.93 is: 11,194.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,810.31 : 43,215.14 = 7,462.93 : x
  2. Step 2: Convert to fraction form
    28,810.31/43,215.14 = 7,462.93/x
  3. Step 3: Cross multiply
    28,810.31x = 43,215.14 × 7,462.93
  4. Step 4: Simplify right side
    28,810.31x = 322,511,564.76
  5. Step 5: Solve for x
    x = 322,511,564.76/28,810.31
  6. Step 6: Final answer
    x = 11,194.31

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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.