Home / 28,769.77-39,699.75-16,023.75

Finding the Fourth Proportional to 28,769.77, 39,699.75 and 16,023.75

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Solution

The fourth proportional to 28,769.77, 39,699.75 and 16,023.75 is: 22,111.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,769.77 : 39,699.75 = 16,023.75 : x
  2. Step 2: Convert to fraction form
    28,769.77/39,699.75 = 16,023.75/x
  3. Step 3: Cross multiply
    28,769.77x = 39,699.75 × 16,023.75
  4. Step 4: Simplify right side
    28,769.77x = 636,138,869.06
  5. Step 5: Solve for x
    x = 636,138,869.06/28,769.77
  6. Step 6: Final answer
    x = 22,111.36

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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.