Home / 28,865.44-39,835.11-16,291

Finding the Fourth Proportional to 28,865.44, 39,835.11 and 16,291

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Solution

The fourth proportional to 28,865.44, 39,835.11 and 16,291 is: 22,482.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,865.44 : 39,835.11 = 16,291 : x
  2. Step 2: Convert to fraction form
    28,865.44/39,835.11 = 16,291/x
  3. Step 3: Cross multiply
    28,865.44x = 39,835.11 × 16,291
  4. Step 4: Simplify right side
    28,865.44x = 648,953,777.01
  5. Step 5: Solve for x
    x = 648,953,777.01/28,865.44
  6. Step 6: Final answer
    x = 22,482.03

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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.