Home / 28,767.48-39,699.90-16,192.68

Finding the Fourth Proportional to 28,767.48, 39,699.90 and 16,192.68

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Solution

The fourth proportional to 28,767.48, 39,699.90 and 16,192.68 is: 22,346.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,767.48 : 39,699.90 = 16,192.68 : x
  2. Step 2: Convert to fraction form
    28,767.48/39,699.90 = 16,192.68/x
  3. Step 3: Cross multiply
    28,767.48x = 39,699.90 × 16,192.68
  4. Step 4: Simplify right side
    28,767.48x = 642,847,776.73
  5. Step 5: Solve for x
    x = 642,847,776.73/28,767.48
  6. Step 6: Final answer
    x = 22,346.34

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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.