Home / 28,828.04-43,246.31-9,102.11

Finding the Fourth Proportional to 28,828.04, 43,246.31 and 9,102.11

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Solution

The fourth proportional to 28,828.04, 43,246.31 and 9,102.11 is: 13,654.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,828.04 : 43,246.31 = 9,102.11 : x
  2. Step 2: Convert to fraction form
    28,828.04/43,246.31 = 9,102.11/x
  3. Step 3: Cross multiply
    28,828.04x = 43,246.31 × 9,102.11
  4. Step 4: Simplify right side
    28,828.04x = 393,632,408.97
  5. Step 5: Solve for x
    x = 393,632,408.97/28,828.04
  6. Step 6: Final answer
    x = 13,654.50

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1.5x scale

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.