Home / 89,007.56-133,533.18-26,678

Finding the Fourth Proportional to 89,007.56, 133,533.18 and 26,678

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Solution

The fourth proportional to 89,007.56, 133,533.18 and 26,678 is: 40,023.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,007.56 : 133,533.18 = 26,678 : x
  2. Step 2: Convert to fraction form
    89,007.56/133,533.18 = 26,678/x
  3. Step 3: Cross multiply
    89,007.56x = 133,533.18 × 26,678
  4. Step 4: Simplify right side
    89,007.56x = 3,562,398,176.04
  5. Step 5: Solve for x
    x = 3,562,398,176.04/89,007.56
  6. Step 6: Final answer
    x = 40,023.55

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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.