Home / 28,832.48-39,791-16,089.76

Finding the Fourth Proportional to 28,832.48, 39,791 and 16,089.76

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Solution

The fourth proportional to 28,832.48, 39,791 and 16,089.76 is: 22,205.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,832.48 : 39,791 = 16,089.76 : x
  2. Step 2: Convert to fraction form
    28,832.48/39,791 = 16,089.76/x
  3. Step 3: Cross multiply
    28,832.48x = 39,791 × 16,089.76
  4. Step 4: Simplify right side
    28,832.48x = 640,227,640.16
  5. Step 5: Solve for x
    x = 640,227,640.16/28,832.48
  6. Step 6: Final answer
    x = 22,205.08

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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.