Home / 28,905.28-43,347.04-11,365.52

Finding the Fourth Proportional to 28,905.28, 43,347.04 and 11,365.52

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Solution

The fourth proportional to 28,905.28, 43,347.04 and 11,365.52 is: 17,044.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,905.28 : 43,347.04 = 11,365.52 : x
  2. Step 2: Convert to fraction form
    28,905.28/43,347.04 = 11,365.52/x
  3. Step 3: Cross multiply
    28,905.28x = 43,347.04 × 11,365.52
  4. Step 4: Simplify right side
    28,905.28x = 492,661,650.06
  5. Step 5: Solve for x
    x = 492,661,650.06/28,905.28
  6. Step 6: Final answer
    x = 17,044.00

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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.