Home / 55,730.44-83,595.66-28,009

Finding the Fourth Proportional to 55,730.44, 83,595.66 and 28,009

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Solution

The fourth proportional to 55,730.44, 83,595.66 and 28,009 is: 42,013.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,730.44 : 83,595.66 = 28,009 : x
  2. Step 2: Convert to fraction form
    55,730.44/83,595.66 = 28,009/x
  3. Step 3: Cross multiply
    55,730.44x = 83,595.66 × 28,009
  4. Step 4: Simplify right side
    55,730.44x = 2,341,430,840.94
  5. Step 5: Solve for x
    x = 2,341,430,840.94/55,730.44
  6. Step 6: Final answer
    x = 42,013.50

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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.