Home / 25,745.30-38,617.54-18,769.58

Finding the Fourth Proportional to 25,745.30, 38,617.54 and 18,769.58

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Solution

The fourth proportional to 25,745.30, 38,617.54 and 18,769.58 is: 28,154.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,745.30 : 38,617.54 = 18,769.58 : x
  2. Step 2: Convert to fraction form
    25,745.30/38,617.54 = 18,769.58/x
  3. Step 3: Cross multiply
    25,745.30x = 38,617.54 × 18,769.58
  4. Step 4: Simplify right side
    25,745.30x = 724,835,006.43
  5. Step 5: Solve for x
    x = 724,835,006.43/25,745.30
  6. Step 6: Final answer
    x = 28,154.07

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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.