Home / 28,717.98-39,633.75-16,785.18

Finding the Fourth Proportional to 28,717.98, 39,633.75 and 16,785.18

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Solution

The fourth proportional to 28,717.98, 39,633.75 and 16,785.18 is: 23,165.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,717.98 : 39,633.75 = 16,785.18 : x
  2. Step 2: Convert to fraction form
    28,717.98/39,633.75 = 16,785.18/x
  3. Step 3: Cross multiply
    28,717.98x = 39,633.75 × 16,785.18
  4. Step 4: Simplify right side
    28,717.98x = 665,259,627.83
  5. Step 5: Solve for x
    x = 665,259,627.83/28,717.98
  6. Step 6: Final answer
    x = 23,165.27

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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.