Home / 26,989.29-37,245.33-15,660.99

Finding the Fourth Proportional to 26,989.29, 37,245.33 and 15,660.99

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Solution

The fourth proportional to 26,989.29, 37,245.33 and 15,660.99 is: 21,612.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,989.29 : 37,245.33 = 15,660.99 : x
  2. Step 2: Convert to fraction form
    26,989.29/37,245.33 = 15,660.99/x
  3. Step 3: Cross multiply
    26,989.29x = 37,245.33 × 15,660.99
  4. Step 4: Simplify right side
    26,989.29x = 583,298,740.68
  5. Step 5: Solve for x
    x = 583,298,740.68/26,989.29
  6. Step 6: Final answer
    x = 21,612.23

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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.