Home / 28,276.17-39,003.73-20,329.05

Finding the Fourth Proportional to 28,276.17, 39,003.73 and 20,329.05

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Solution

The fourth proportional to 28,276.17, 39,003.73 and 20,329.05 is: 28,041.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,276.17 : 39,003.73 = 20,329.05 : x
  2. Step 2: Convert to fraction form
    28,276.17/39,003.73 = 20,329.05/x
  3. Step 3: Cross multiply
    28,276.17x = 39,003.73 × 20,329.05
  4. Step 4: Simplify right side
    28,276.17x = 792,908,777.36
  5. Step 5: Solve for x
    x = 792,908,777.36/28,276.17
  6. Step 6: Final answer
    x = 28,041.59

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.