Home / 26,808.12-36,989.64-15,477.42

Finding the Fourth Proportional to 26,808.12, 36,989.64 and 15,477.42

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Solution

The fourth proportional to 26,808.12, 36,989.64 and 15,477.42 is: 21,355.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,808.12 : 36,989.64 = 15,477.42 : x
  2. Step 2: Convert to fraction form
    26,808.12/36,989.64 = 15,477.42/x
  3. Step 3: Cross multiply
    26,808.12x = 36,989.64 × 15,477.42
  4. Step 4: Simplify right side
    26,808.12x = 572,504,193.93
  5. Step 5: Solve for x
    x = 572,504,193.93/26,808.12
  6. Step 6: Final answer
    x = 21,355.63

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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.