Home / 28,239.15-39,010.58-22,566.47

Finding the Fourth Proportional to 28,239.15, 39,010.58 and 22,566.47

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Solution

The fourth proportional to 28,239.15, 39,010.58 and 22,566.47 is: 31,174.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,239.15 : 39,010.58 = 22,566.47 : x
  2. Step 2: Convert to fraction form
    28,239.15/39,010.58 = 22,566.47/x
  3. Step 3: Cross multiply
    28,239.15x = 39,010.58 × 22,566.47
  4. Step 4: Simplify right side
    28,239.15x = 880,330,888.20
  5. Step 5: Solve for x
    x = 880,330,888.20/28,239.15
  6. Step 6: Final answer
    x = 31,174.13

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.