Home / 27,009.54-40,522.43-12,788.87

Finding the Fourth Proportional to 27,009.54, 40,522.43 and 12,788.87

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Solution

The fourth proportional to 27,009.54, 40,522.43 and 12,788.87 is: 19,187.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,009.54 : 40,522.43 = 12,788.87 : x
  2. Step 2: Convert to fraction form
    27,009.54/40,522.43 = 12,788.87/x
  3. Step 3: Cross multiply
    27,009.54x = 40,522.43 × 12,788.87
  4. Step 4: Simplify right side
    27,009.54x = 518,235,918.71
  5. Step 5: Solve for x
    x = 518,235,918.71/27,009.54
  6. Step 6: Final answer
    x = 19,187.14

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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.