Home / 28,851.30-43,296.30-10,131.30

Finding the Fourth Proportional to 28,851.30, 43,296.30 and 10,131.30

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Solution

The fourth proportional to 28,851.30, 43,296.30 and 10,131.30 is: 15,203.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,851.30 : 43,296.30 = 10,131.30 : x
  2. Step 2: Convert to fraction form
    28,851.30/43,296.30 = 10,131.30/x
  3. Step 3: Cross multiply
    28,851.30x = 43,296.30 × 10,131.30
  4. Step 4: Simplify right side
    28,851.30x = 438,647,804.19
  5. Step 5: Solve for x
    x = 438,647,804.19/28,851.30
  6. Step 6: Final answer
    x = 15,203.74

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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.