Home / 27,334.60-40,904.70-18,975.40

Finding the Fourth Proportional to 27,334.60, 40,904.70 and 18,975.40

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Solution

The fourth proportional to 27,334.60, 40,904.70 and 18,975.40 is: 28,395.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,334.60 : 40,904.70 = 18,975.40 : x
  2. Step 2: Convert to fraction form
    27,334.60/40,904.70 = 18,975.40/x
  3. Step 3: Cross multiply
    27,334.60x = 40,904.70 × 18,975.40
  4. Step 4: Simplify right side
    27,334.60x = 776,183,044.38
  5. Step 5: Solve for x
    x = 776,183,044.38/27,334.60
  6. Step 6: Final answer
    x = 28,395.62

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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.