Home / 27,088.97-40,618.84-12,289.81

Finding the Fourth Proportional to 27,088.97, 40,618.84 and 12,289.81

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Solution

The fourth proportional to 27,088.97, 40,618.84 and 12,289.81 is: 18,428.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,088.97 : 40,618.84 = 12,289.81 : x
  2. Step 2: Convert to fraction form
    27,088.97/40,618.84 = 12,289.81/x
  3. Step 3: Cross multiply
    27,088.97x = 40,618.84 × 12,289.81
  4. Step 4: Simplify right side
    27,088.97x = 499,197,693.75
  5. Step 5: Solve for x
    x = 499,197,693.75/27,088.97
  6. Step 6: Final answer
    x = 18,428.08

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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.