Home / 28,946.51-43,394.79-11,189.63

Finding the Fourth Proportional to 28,946.51, 43,394.79 and 11,189.63

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Solution

The fourth proportional to 28,946.51, 43,394.79 and 11,189.63 is: 16,774.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,946.51 : 43,394.79 = 11,189.63 : x
  2. Step 2: Convert to fraction form
    28,946.51/43,394.79 = 11,189.63/x
  3. Step 3: Cross multiply
    28,946.51x = 43,394.79 × 11,189.63
  4. Step 4: Simplify right side
    28,946.51x = 485,571,427.05
  5. Step 5: Solve for x
    x = 485,571,427.05/28,946.51
  6. Step 6: Final answer
    x = 16,774.79

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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.