Home / 28,273.88-39,015.19-16,335.56

Finding the Fourth Proportional to 28,273.88, 39,015.19 and 16,335.56

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Solution

The fourth proportional to 28,273.88, 39,015.19 and 16,335.56 is: 22,541.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,273.88 : 39,015.19 = 16,335.56 : x
  2. Step 2: Convert to fraction form
    28,273.88/39,015.19 = 16,335.56/x
  3. Step 3: Cross multiply
    28,273.88x = 39,015.19 × 16,335.56
  4. Step 4: Simplify right side
    28,273.88x = 637,334,977.16
  5. Step 5: Solve for x
    x = 637,334,977.16/28,273.88
  6. Step 6: Final answer
    x = 22,541.48

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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.