Home / 28,322.61-39,086.52-16,383.63

Finding the Fourth Proportional to 28,322.61, 39,086.52 and 16,383.63

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Solution

The fourth proportional to 28,322.61, 39,086.52 and 16,383.63 is: 22,610.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,322.61 : 39,086.52 = 16,383.63 : x
  2. Step 2: Convert to fraction form
    28,322.61/39,086.52 = 16,383.63/x
  3. Step 3: Cross multiply
    28,322.61x = 39,086.52 × 16,383.63
  4. Step 4: Simplify right side
    28,322.61x = 640,379,081.67
  5. Step 5: Solve for x
    x = 640,379,081.67/28,322.61
  6. Step 6: Final answer
    x = 22,610.17

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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.