Home / 28,469.96-39,276.47-16,368.33

Finding the Fourth Proportional to 28,469.96, 39,276.47 and 16,368.33

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Solution

The fourth proportional to 28,469.96, 39,276.47 and 16,368.33 is: 22,581.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,469.96 : 39,276.47 = 16,368.33 : x
  2. Step 2: Convert to fraction form
    28,469.96/39,276.47 = 16,368.33/x
  3. Step 3: Cross multiply
    28,469.96x = 39,276.47 × 16,368.33
  4. Step 4: Simplify right side
    28,469.96x = 642,890,143.44
  5. Step 5: Solve for x
    x = 642,890,143.44/28,469.96
  6. Step 6: Final answer
    x = 22,581.35

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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.