Home / 26,890.89-40,271.73-15,015.48

Finding the Fourth Proportional to 26,890.89, 40,271.73 and 15,015.48

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Solution

The fourth proportional to 26,890.89, 40,271.73 and 15,015.48 is: 22,487.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,890.89 : 40,271.73 = 15,015.48 : x
  2. Step 2: Convert to fraction form
    26,890.89/40,271.73 = 15,015.48/x
  3. Step 3: Cross multiply
    26,890.89x = 40,271.73 × 15,015.48
  4. Step 4: Simplify right side
    26,890.89x = 604,699,155.02
  5. Step 5: Solve for x
    x = 604,699,155.02/26,890.89
  6. Step 6: Final answer
    x = 22,487.14

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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.