Home / 65,478.51-98,217.09-28,006.83

Finding the Fourth Proportional to 65,478.51, 98,217.09 and 28,006.83

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Solution

The fourth proportional to 65,478.51, 98,217.09 and 28,006.83 is: 42,009.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,478.51 : 98,217.09 = 28,006.83 : x
  2. Step 2: Convert to fraction form
    65,478.51/98,217.09 = 28,006.83/x
  3. Step 3: Cross multiply
    65,478.51x = 98,217.09 × 28,006.83
  4. Step 4: Simplify right side
    65,478.51x = 2,750,749,342.72
  5. Step 5: Solve for x
    x = 2,750,749,342.72/65,478.51
  6. Step 6: Final answer
    x = 42,009.96

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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.