Home / 28,297.02-39,000.46-20,727.27

Finding the Fourth Proportional to 28,297.02, 39,000.46 and 20,727.27

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Solution

The fourth proportional to 28,297.02, 39,000.46 and 20,727.27 is: 28,567.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,297.02 : 39,000.46 = 20,727.27 : x
  2. Step 2: Convert to fraction form
    28,297.02/39,000.46 = 20,727.27/x
  3. Step 3: Cross multiply
    28,297.02x = 39,000.46 × 20,727.27
  4. Step 4: Simplify right side
    28,297.02x = 808,373,064.54
  5. Step 5: Solve for x
    x = 808,373,064.54/28,297.02
  6. Step 6: Final answer
    x = 28,567.43

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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.