Home / 28,104.76-42,194.20-25,783.81

Finding the Fourth Proportional to 28,104.76, 42,194.20 and 25,783.81

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Solution

The fourth proportional to 28,104.76, 42,194.20 and 25,783.81 is: 38,709.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,104.76 : 42,194.20 = 25,783.81 : x
  2. Step 2: Convert to fraction form
    28,104.76/42,194.20 = 25,783.81/x
  3. Step 3: Cross multiply
    28,104.76x = 42,194.20 × 25,783.81
  4. Step 4: Simplify right side
    28,104.76x = 1,087,927,235.90
  5. Step 5: Solve for x
    x = 1,087,927,235.90/28,104.76
  6. Step 6: Final answer
    x = 38,709.71

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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.