Home / 21,226.68-31,829.07-9,529.89

Finding the Fourth Proportional to 21,226.68, 31,829.07 and 9,529.89

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Solution

The fourth proportional to 21,226.68, 31,829.07 and 9,529.89 is: 14,289.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,226.68 : 31,829.07 = 9,529.89 : x
  2. Step 2: Convert to fraction form
    21,226.68/31,829.07 = 9,529.89/x
  3. Step 3: Cross multiply
    21,226.68x = 31,829.07 × 9,529.89
  4. Step 4: Simplify right side
    21,226.68x = 303,327,535.90
  5. Step 5: Solve for x
    x = 303,327,535.90/21,226.68
  6. Step 6: Final answer
    x = 14,289.92

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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.