Home / 25,285.52-37,928.28-8,645.70

Finding the Fourth Proportional to 25,285.52, 37,928.28 and 8,645.70

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Solution

The fourth proportional to 25,285.52, 37,928.28 and 8,645.70 is: 12,968.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,285.52 : 37,928.28 = 8,645.70 : x
  2. Step 2: Convert to fraction form
    25,285.52/37,928.28 = 8,645.70/x
  3. Step 3: Cross multiply
    25,285.52x = 37,928.28 × 8,645.70
  4. Step 4: Simplify right side
    25,285.52x = 327,916,705.05
  5. Step 5: Solve for x
    x = 327,916,705.05/25,285.52
  6. Step 6: Final answer
    x = 12,968.56

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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.