Home / 28,890.76-39,873.83-17,563.81

Finding the Fourth Proportional to 28,890.76, 39,873.83 and 17,563.81

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Solution

The fourth proportional to 28,890.76, 39,873.83 and 17,563.81 is: 24,240.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,890.76 : 39,873.83 = 17,563.81 : x
  2. Step 2: Convert to fraction form
    28,890.76/39,873.83 = 17,563.81/x
  3. Step 3: Cross multiply
    28,890.76x = 39,873.83 × 17,563.81
  4. Step 4: Simplify right side
    28,890.76x = 700,336,374.09
  5. Step 5: Solve for x
    x = 700,336,374.09/28,890.76
  6. Step 6: Final answer
    x = 24,240.84

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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.