Home / 19,986.75-29,977.73-15,548.84

Finding the Fourth Proportional to 19,986.75, 29,977.73 and 15,548.84

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Solution

The fourth proportional to 19,986.75, 29,977.73 and 15,548.84 is: 23,321.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,986.75 : 29,977.73 = 15,548.84 : x
  2. Step 2: Convert to fraction form
    19,986.75/29,977.73 = 15,548.84/x
  3. Step 3: Cross multiply
    19,986.75x = 29,977.73 × 15,548.84
  4. Step 4: Simplify right side
    19,986.75x = 466,119,041.15
  5. Step 5: Solve for x
    x = 466,119,041.15/19,986.75
  6. Step 6: Final answer
    x = 23,321.40

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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.