Home / 28,262.00-39,000.12-16,777.40

Finding the Fourth Proportional to 28,262.00, 39,000.12 and 16,777.40

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Solution

The fourth proportional to 28,262.00, 39,000.12 and 16,777.40 is: 23,151.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,262.00 : 39,000.12 = 16,777.40 : x
  2. Step 2: Convert to fraction form
    28,262.00/39,000.12 = 16,777.40/x
  3. Step 3: Cross multiply
    28,262.00x = 39,000.12 × 16,777.40
  4. Step 4: Simplify right side
    28,262.00x = 654,320,564.54
  5. Step 5: Solve for x
    x = 654,320,564.54/28,262.00
  6. Step 6: Final answer
    x = 23,151.96

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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.