Home / 27,875.37-41,811.48-20,386.59

Finding the Fourth Proportional to 27,875.37, 41,811.48 and 20,386.59

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Solution

The fourth proportional to 27,875.37, 41,811.48 and 20,386.59 is: 30,578.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,875.37 : 41,811.48 = 20,386.59 : x
  2. Step 2: Convert to fraction form
    27,875.37/41,811.48 = 20,386.59/x
  3. Step 3: Cross multiply
    27,875.37x = 41,811.48 × 20,386.59
  4. Step 4: Simplify right side
    27,875.37x = 852,393,500.05
  5. Step 5: Solve for x
    x = 852,393,500.05/27,875.37
  6. Step 6: Final answer
    x = 30,578.73

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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.