Home / 28,735.08-43,115.58-13,157.16

Finding the Fourth Proportional to 28,735.08, 43,115.58 and 13,157.16

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Solution

The fourth proportional to 28,735.08, 43,115.58 and 13,157.16 is: 19,741.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,735.08 : 43,115.58 = 13,157.16 : x
  2. Step 2: Convert to fraction form
    28,735.08/43,115.58 = 13,157.16/x
  3. Step 3: Cross multiply
    28,735.08x = 43,115.58 × 13,157.16
  4. Step 4: Simplify right side
    28,735.08x = 567,278,584.55
  5. Step 5: Solve for x
    x = 567,278,584.55/28,735.08
  6. Step 6: Final answer
    x = 19,741.67

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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.