Home / 27,085.80-40,652.70-15,978.60

Finding the Fourth Proportional to 27,085.80, 40,652.70 and 15,978.60

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Solution

The fourth proportional to 27,085.80, 40,652.70 and 15,978.60 is: 23,982.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,085.80 : 40,652.70 = 15,978.60 : x
  2. Step 2: Convert to fraction form
    27,085.80/40,652.70 = 15,978.60/x
  3. Step 3: Cross multiply
    27,085.80x = 40,652.70 × 15,978.60
  4. Step 4: Simplify right side
    27,085.80x = 649,573,232.22
  5. Step 5: Solve for x
    x = 649,573,232.22/27,085.80
  6. Step 6: Final answer
    x = 23,982.06

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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.