Home / 26,966.88-37,216.26-15,639.30

Finding the Fourth Proportional to 26,966.88, 37,216.26 and 15,639.30

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Solution

The fourth proportional to 26,966.88, 37,216.26 and 15,639.30 is: 21,583.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,966.88 : 37,216.26 = 15,639.30 : x
  2. Step 2: Convert to fraction form
    26,966.88/37,216.26 = 15,639.30/x
  3. Step 3: Cross multiply
    26,966.88x = 37,216.26 × 15,639.30
  4. Step 4: Simplify right side
    26,966.88x = 582,036,255.02
  5. Step 5: Solve for x
    x = 582,036,255.02/26,966.88
  6. Step 6: Final answer
    x = 21,583.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.