Home / 28,730.93-39,642.75-16,791.93

Finding the Fourth Proportional to 28,730.93, 39,642.75 and 16,791.93

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Solution

The fourth proportional to 28,730.93, 39,642.75 and 16,791.93 is: 23,169.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,730.93 : 39,642.75 = 16,791.93 : x
  2. Step 2: Convert to fraction form
    28,730.93/39,642.75 = 16,791.93/x
  3. Step 3: Cross multiply
    28,730.93x = 39,642.75 × 16,791.93
  4. Step 4: Simplify right side
    28,730.93x = 665,678,283.01
  5. Step 5: Solve for x
    x = 665,678,283.01/28,730.93
  6. Step 6: Final answer
    x = 23,169.40

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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.