Home / 28,743.75-39,670.02-16,170.93

Finding the Fourth Proportional to 28,743.75, 39,670.02 and 16,170.93

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Solution

The fourth proportional to 28,743.75, 39,670.02 and 16,170.93 is: 22,317.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,743.75 : 39,670.02 = 16,170.93 : x
  2. Step 2: Convert to fraction form
    28,743.75/39,670.02 = 16,170.93/x
  3. Step 3: Cross multiply
    28,743.75x = 39,670.02 × 16,170.93
  4. Step 4: Simplify right side
    28,743.75x = 641,501,116.52
  5. Step 5: Solve for x
    x = 641,501,116.52/28,743.75
  6. Step 6: Final answer
    x = 22,317.93

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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.