Home / 28,784.07-43,113.56-13,961.84

Finding the Fourth Proportional to 28,784.07, 43,113.56 and 13,961.84

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Solution

The fourth proportional to 28,784.07, 43,113.56 and 13,961.84 is: 20,912.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,784.07 : 43,113.56 = 13,961.84 : x
  2. Step 2: Convert to fraction form
    28,784.07/43,113.56 = 13,961.84/x
  3. Step 3: Cross multiply
    28,784.07x = 43,113.56 × 13,961.84
  4. Step 4: Simplify right side
    28,784.07x = 601,944,341.17
  5. Step 5: Solve for x
    x = 601,944,341.17/28,784.07
  6. Step 6: Final answer
    x = 20,912.41

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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.