Home / 28,917.44-39,899.59-16,813.93

Finding the Fourth Proportional to 28,917.44, 39,899.59 and 16,813.93

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Solution

The fourth proportional to 28,917.44, 39,899.59 and 16,813.93 is: 23,199.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,917.44 : 39,899.59 = 16,813.93 : x
  2. Step 2: Convert to fraction form
    28,917.44/39,899.59 = 16,813.93/x
  3. Step 3: Cross multiply
    28,917.44x = 39,899.59 × 16,813.93
  4. Step 4: Simplify right side
    28,917.44x = 670,868,952.72
  5. Step 5: Solve for x
    x = 670,868,952.72/28,917.44
  6. Step 6: Final answer
    x = 23,199.46

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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.