Home / 28,845.07-39,806.72-16,917.01

Finding the Fourth Proportional to 28,845.07, 39,806.72 and 16,917.01

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Solution

The fourth proportional to 28,845.07, 39,806.72 and 16,917.01 is: 23,345.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,845.07 : 39,806.72 = 16,917.01 : x
  2. Step 2: Convert to fraction form
    28,845.07/39,806.72 = 16,917.01/x
  3. Step 3: Cross multiply
    28,845.07x = 39,806.72 × 16,917.01
  4. Step 4: Simplify right side
    28,845.07x = 673,410,595.72
  5. Step 5: Solve for x
    x = 673,410,595.72/28,845.07
  6. Step 6: Final answer
    x = 23,345.78

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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.