Home / 21,572.00-32,365.73-8,433.80

Finding the Fourth Proportional to 21,572.00, 32,365.73 and 8,433.80

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Solution

The fourth proportional to 21,572.00, 32,365.73 and 8,433.80 is: 12,653.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,572.00 : 32,365.73 = 8,433.80 : x
  2. Step 2: Convert to fraction form
    21,572.00/32,365.73 = 8,433.80/x
  3. Step 3: Cross multiply
    21,572.00x = 32,365.73 × 8,433.80
  4. Step 4: Simplify right side
    21,572.00x = 272,965,952.93
  5. Step 5: Solve for x
    x = 272,965,952.93/21,572.00
  6. Step 6: Final answer
    x = 12,653.72

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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.