Home / 28,768.17-39,699.63-16,021.02

Finding the Fourth Proportional to 28,768.17, 39,699.63 and 16,021.02

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Solution

The fourth proportional to 28,768.17, 39,699.63 and 16,021.02 is: 22,108.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,768.17 : 39,699.63 = 16,021.02 : x
  2. Step 2: Convert to fraction form
    28,768.17/39,699.63 = 16,021.02/x
  3. Step 3: Cross multiply
    28,768.17x = 39,699.63 × 16,021.02
  4. Step 4: Simplify right side
    28,768.17x = 636,028,566.22
  5. Step 5: Solve for x
    x = 636,028,566.22/28,768.17
  6. Step 6: Final answer
    x = 22,108.76

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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.