Home / 28,955.48-43,433.68-11,425.16

Finding the Fourth Proportional to 28,955.48, 43,433.68 and 11,425.16

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Solution

The fourth proportional to 28,955.48, 43,433.68 and 11,425.16 is: 17,137.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,955.48 : 43,433.68 = 11,425.16 : x
  2. Step 2: Convert to fraction form
    28,955.48/43,433.68 = 11,425.16/x
  3. Step 3: Cross multiply
    28,955.48x = 43,433.68 × 11,425.16
  4. Step 4: Simplify right side
    28,955.48x = 496,236,526.22
  5. Step 5: Solve for x
    x = 496,236,526.22/28,955.48
  6. Step 6: Final answer
    x = 17,137.91

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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.