Home / 25,222.67-34,790.61-15,774.83

Finding the Fourth Proportional to 25,222.67, 34,790.61 and 15,774.83

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Solution

The fourth proportional to 25,222.67, 34,790.61 and 15,774.83 is: 21,758.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,222.67 : 34,790.61 = 15,774.83 : x
  2. Step 2: Convert to fraction form
    25,222.67/34,790.61 = 15,774.83/x
  3. Step 3: Cross multiply
    25,222.67x = 34,790.61 × 15,774.83
  4. Step 4: Simplify right side
    25,222.67x = 548,815,705.52
  5. Step 5: Solve for x
    x = 548,815,705.52/25,222.67
  6. Step 6: Final answer
    x = 21,758.83

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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.