Home / 25,217.16-37,790.34-19,928.92

Finding the Fourth Proportional to 25,217.16, 37,790.34 and 19,928.92

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Solution

The fourth proportional to 25,217.16, 37,790.34 and 19,928.92 is: 29,865.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,217.16 : 37,790.34 = 19,928.92 : x
  2. Step 2: Convert to fraction form
    25,217.16/37,790.34 = 19,928.92/x
  3. Step 3: Cross multiply
    25,217.16x = 37,790.34 × 19,928.92
  4. Step 4: Simplify right side
    25,217.16x = 753,120,562.99
  5. Step 5: Solve for x
    x = 753,120,562.99/25,217.16
  6. Step 6: Final answer
    x = 29,865.40

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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.