Home / 26,017.20-39,010-10,203.29

Finding the Fourth Proportional to 26,017.20, 39,010 and 10,203.29

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Solution

The fourth proportional to 26,017.20, 39,010 and 10,203.29 is: 15,298.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,017.20 : 39,010 = 10,203.29 : x
  2. Step 2: Convert to fraction form
    26,017.20/39,010 = 10,203.29/x
  3. Step 3: Cross multiply
    26,017.20x = 39,010 × 10,203.29
  4. Step 4: Simplify right side
    26,017.20x = 398,030,342.90
  5. Step 5: Solve for x
    x = 398,030,342.90/26,017.20
  6. Step 6: Final answer
    x = 15,298.74

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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.