Home / 28,762.21-39,690.97-16,016.05

Finding the Fourth Proportional to 28,762.21, 39,690.97 and 16,016.05

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Solution

The fourth proportional to 28,762.21, 39,690.97 and 16,016.05 is: 22,101.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,762.21 : 39,690.97 = 16,016.05 : x
  2. Step 2: Convert to fraction form
    28,762.21/39,690.97 = 16,016.05/x
  3. Step 3: Cross multiply
    28,762.21x = 39,690.97 × 16,016.05
  4. Step 4: Simplify right side
    28,762.21x = 635,692,560.07
  5. Step 5: Solve for x
    x = 635,692,560.07/28,762.21
  6. Step 6: Final answer
    x = 22,101.66

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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.