Home / 28,295.93-39,051.76-16,971.65

Finding the Fourth Proportional to 28,295.93, 39,051.76 and 16,971.65

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Solution

The fourth proportional to 28,295.93, 39,051.76 and 16,971.65 is: 23,422.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,295.93 : 39,051.76 = 16,971.65 : x
  2. Step 2: Convert to fraction form
    28,295.93/39,051.76 = 16,971.65/x
  3. Step 3: Cross multiply
    28,295.93x = 39,051.76 × 16,971.65
  4. Step 4: Simplify right side
    28,295.93x = 662,772,942.66
  5. Step 5: Solve for x
    x = 662,772,942.66/28,295.93
  6. Step 6: Final answer
    x = 23,422.91

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Why These Related Problems?

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