Home / 28,893.76-43,262.75-18,873.69

Finding the Fourth Proportional to 28,893.76, 43,262.75 and 18,873.69

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Solution

The fourth proportional to 28,893.76, 43,262.75 and 18,873.69 is: 28,259.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,893.76 : 43,262.75 = 18,873.69 : x
  2. Step 2: Convert to fraction form
    28,893.76/43,262.75 = 18,873.69/x
  3. Step 3: Cross multiply
    28,893.76x = 43,262.75 × 18,873.69
  4. Step 4: Simplify right side
    28,893.76x = 816,527,637.68
  5. Step 5: Solve for x
    x = 816,527,637.68/28,893.76
  6. Step 6: Final answer
    x = 28,259.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.