Home / 20,828.17-31,235.77-6,038.11

Finding the Fourth Proportional to 20,828.17, 31,235.77 and 6,038.11

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Solution

The fourth proportional to 20,828.17, 31,235.77 and 6,038.11 is: 9,055.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,828.17 : 31,235.77 = 6,038.11 : x
  2. Step 2: Convert to fraction form
    20,828.17/31,235.77 = 6,038.11/x
  3. Step 3: Cross multiply
    20,828.17x = 31,235.77 × 6,038.11
  4. Step 4: Simplify right side
    20,828.17x = 188,605,015.19
  5. Step 5: Solve for x
    x = 188,605,015.19/20,828.17
  6. Step 6: Final answer
    x = 9,055.28

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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.