Home / 28,681.25-39,559.05-16,743.87

Finding the Fourth Proportional to 28,681.25, 39,559.05 and 16,743.87

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Solution

The fourth proportional to 28,681.25, 39,559.05 and 16,743.87 is: 23,094.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,681.25 : 39,559.05 = 16,743.87 : x
  2. Step 2: Convert to fraction form
    28,681.25/39,559.05 = 16,743.87/x
  3. Step 3: Cross multiply
    28,681.25x = 39,559.05 × 16,743.87
  4. Step 4: Simplify right side
    28,681.25x = 662,371,590.52
  5. Step 5: Solve for x
    x = 662,371,590.52/28,681.25
  6. Step 6: Final answer
    x = 23,094.24

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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.