Home / 20,629.28-30,938.95-9,525.29

Finding the Fourth Proportional to 20,629.28, 30,938.95 and 9,525.29

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Solution

The fourth proportional to 20,629.28, 30,938.95 and 9,525.29 is: 14,285.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,629.28 : 30,938.95 = 9,525.29 : x
  2. Step 2: Convert to fraction form
    20,629.28/30,938.95 = 9,525.29/x
  3. Step 3: Cross multiply
    20,629.28x = 30,938.95 × 9,525.29
  4. Step 4: Simplify right side
    20,629.28x = 294,702,408.56
  5. Step 5: Solve for x
    x = 294,702,408.56/20,629.28
  6. Step 6: Final answer
    x = 14,285.64

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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.