Home / 28,762.71-39,691.67-16,016.55

Finding the Fourth Proportional to 28,762.71, 39,691.67 and 16,016.55

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Solution

The fourth proportional to 28,762.71, 39,691.67 and 16,016.55 is: 22,102.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,762.71 : 39,691.67 = 16,016.55 : x
  2. Step 2: Convert to fraction form
    28,762.71/39,691.67 = 16,016.55/x
  3. Step 3: Cross multiply
    28,762.71x = 39,691.67 × 16,016.55
  4. Step 4: Simplify right side
    28,762.71x = 635,723,537.06
  5. Step 5: Solve for x
    x = 635,723,537.06/28,762.71
  6. Step 6: Final answer
    x = 22,102.35

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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.