Home / 25,319.75-37,983.69-7,789.55

Finding the Fourth Proportional to 25,319.75, 37,983.69 and 7,789.55

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Solution

The fourth proportional to 25,319.75, 37,983.69 and 7,789.55 is: 11,685.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,319.75 : 37,983.69 = 7,789.55 : x
  2. Step 2: Convert to fraction form
    25,319.75/37,983.69 = 7,789.55/x
  3. Step 3: Cross multiply
    25,319.75x = 37,983.69 × 7,789.55
  4. Step 4: Simplify right side
    25,319.75x = 295,875,662.52
  5. Step 5: Solve for x
    x = 295,875,662.52/25,319.75
  6. Step 6: Final answer
    x = 11,685.57

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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.