Home / 27,316.81-40,975.23-15,621.83

Finding the Fourth Proportional to 27,316.81, 40,975.23 and 15,621.83

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Solution

The fourth proportional to 27,316.81, 40,975.23 and 15,621.83 is: 23,432.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,316.81 : 40,975.23 = 15,621.83 : x
  2. Step 2: Convert to fraction form
    27,316.81/40,975.23 = 15,621.83/x
  3. Step 3: Cross multiply
    27,316.81x = 40,975.23 × 15,621.83
  4. Step 4: Simplify right side
    27,316.81x = 640,108,084.63
  5. Step 5: Solve for x
    x = 640,108,084.63/27,316.81
  6. Step 6: Final answer
    x = 23,432.75

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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.