Home / 28,851.65-43,296.39-10,131.20

Finding the Fourth Proportional to 28,851.65, 43,296.39 and 10,131.20

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Solution

The fourth proportional to 28,851.65, 43,296.39 and 10,131.20 is: 15,203.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,851.65 : 43,296.39 = 10,131.20 : x
  2. Step 2: Convert to fraction form
    28,851.65/43,296.39 = 10,131.20/x
  3. Step 3: Cross multiply
    28,851.65x = 43,296.39 × 10,131.20
  4. Step 4: Simplify right side
    28,851.65x = 438,644,169.89
  5. Step 5: Solve for x
    x = 438,644,169.89/28,851.65
  6. Step 6: Final answer
    x = 15,203.44

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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.