Home / 28,232.63-42,362.76-19,965.77

Finding the Fourth Proportional to 28,232.63, 42,362.76 and 19,965.77

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Solution

The fourth proportional to 28,232.63, 42,362.76 and 19,965.77 is: 29,958.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,232.63 : 42,362.76 = 19,965.77 : x
  2. Step 2: Convert to fraction form
    28,232.63/42,362.76 = 19,965.77/x
  3. Step 3: Cross multiply
    28,232.63x = 42,362.76 × 19,965.77
  4. Step 4: Simplify right side
    28,232.63x = 845,805,122.73
  5. Step 5: Solve for x
    x = 845,805,122.73/28,232.63
  6. Step 6: Final answer
    x = 29,958.42

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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.