Home / 28,743.05-39,650.92-16,798.59

Finding the Fourth Proportional to 28,743.05, 39,650.92 and 16,798.59

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Solution

The fourth proportional to 28,743.05, 39,650.92 and 16,798.59 is: 23,173.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,743.05 : 39,650.92 = 16,798.59 : x
  2. Step 2: Convert to fraction form
    28,743.05/39,650.92 = 16,798.59/x
  3. Step 3: Cross multiply
    28,743.05x = 39,650.92 × 16,798.59
  4. Step 4: Simplify right side
    28,743.05x = 666,079,506.21
  5. Step 5: Solve for x
    x = 666,079,506.21/28,743.05
  6. Step 6: Final answer
    x = 23,173.58

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1.5x scale

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.