Home / 28,907.06-43,359.59-12,256.37

Finding the Fourth Proportional to 28,907.06, 43,359.59 and 12,256.37

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Solution

The fourth proportional to 28,907.06, 43,359.59 and 12,256.37 is: 18,384.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,907.06 : 43,359.59 = 12,256.37 : x
  2. Step 2: Convert to fraction form
    28,907.06/43,359.59 = 12,256.37/x
  3. Step 3: Cross multiply
    28,907.06x = 43,359.59 × 12,256.37
  4. Step 4: Simplify right side
    28,907.06x = 531,431,178.09
  5. Step 5: Solve for x
    x = 531,431,178.09/28,907.06
  6. Step 6: Final answer
    x = 18,384.13

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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.