Home / 47,289.63-65,252.48-28,163.55

Finding the Fourth Proportional to 47,289.63, 65,252.48 and 28,163.55

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Solution

The fourth proportional to 47,289.63, 65,252.48 and 28,163.55 is: 38,861.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,289.63 : 65,252.48 = 28,163.55 : x
  2. Step 2: Convert to fraction form
    47,289.63/65,252.48 = 28,163.55/x
  3. Step 3: Cross multiply
    47,289.63x = 65,252.48 × 28,163.55
  4. Step 4: Simplify right side
    47,289.63x = 1,837,741,342.29
  5. Step 5: Solve for x
    x = 1,837,741,342.29/47,289.63
  6. Step 6: Final answer
    x = 38,861.40

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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.