Home / 28,842.68-39,802.85-16,267.43

Finding the Fourth Proportional to 28,842.68, 39,802.85 and 16,267.43

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Solution

The fourth proportional to 28,842.68, 39,802.85 and 16,267.43 is: 22,449.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,842.68 : 39,802.85 = 16,267.43 : x
  2. Step 2: Convert to fraction form
    28,842.68/39,802.85 = 16,267.43/x
  3. Step 3: Cross multiply
    28,842.68x = 39,802.85 × 16,267.43
  4. Step 4: Simplify right side
    28,842.68x = 647,489,917.83
  5. Step 5: Solve for x
    x = 647,489,917.83/28,842.68
  6. Step 6: Final answer
    x = 22,449.02

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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.