Home / 28,659.52-42,991.59-10,898.69

Finding the Fourth Proportional to 28,659.52, 42,991.59 and 10,898.69

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Solution

The fourth proportional to 28,659.52, 42,991.59 and 10,898.69 is: 16,348.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,659.52 : 42,991.59 = 10,898.69 : x
  2. Step 2: Convert to fraction form
    28,659.52/42,991.59 = 10,898.69/x
  3. Step 3: Cross multiply
    28,659.52x = 42,991.59 × 10,898.69
  4. Step 4: Simplify right side
    28,659.52x = 468,551,837.93
  5. Step 5: Solve for x
    x = 468,551,837.93/28,659.52
  6. Step 6: Final answer
    x = 16,348.91

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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.