Home / 28,905.08-43,288.36-14,828.09

Finding the Fourth Proportional to 28,905.08, 43,288.36 and 14,828.09

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Solution

The fourth proportional to 28,905.08, 43,288.36 and 14,828.09 is: 22,206.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,905.08 : 43,288.36 = 14,828.09 : x
  2. Step 2: Convert to fraction form
    28,905.08/43,288.36 = 14,828.09/x
  3. Step 3: Cross multiply
    28,905.08x = 43,288.36 × 14,828.09
  4. Step 4: Simplify right side
    28,905.08x = 641,883,444.52
  5. Step 5: Solve for x
    x = 641,883,444.52/28,905.08
  6. Step 6: Final answer
    x = 22,206.60

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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.