Home / 37,291.64-51,487.25-28,778.67

Finding the Fourth Proportional to 37,291.64, 51,487.25 and 28,778.67

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Solution

The fourth proportional to 37,291.64, 51,487.25 and 28,778.67 is: 39,733.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,291.64 : 51,487.25 = 28,778.67 : x
  2. Step 2: Convert to fraction form
    37,291.64/51,487.25 = 28,778.67/x
  3. Step 3: Cross multiply
    37,291.64x = 51,487.25 × 28,778.67
  4. Step 4: Simplify right side
    37,291.64x = 1,481,734,433.06
  5. Step 5: Solve for x
    x = 1,481,734,433.06/37,291.64
  6. Step 6: Final answer
    x = 39,733.69

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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.