Home / 28,851.39-43,277.09-9,131.64

Finding the Fourth Proportional to 28,851.39, 43,277.09 and 9,131.64

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Solution

The fourth proportional to 28,851.39, 43,277.09 and 9,131.64 is: 13,697.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,851.39 : 43,277.09 = 9,131.64 : x
  2. Step 2: Convert to fraction form
    28,851.39/43,277.09 = 9,131.64/x
  3. Step 3: Cross multiply
    28,851.39x = 43,277.09 × 9,131.64
  4. Step 4: Simplify right side
    28,851.39x = 395,190,598.18
  5. Step 5: Solve for x
    x = 395,190,598.18/28,851.39
  6. Step 6: Final answer
    x = 13,697.45

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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.