Home / 28,237.32-42,363.12-19,933.56

Finding the Fourth Proportional to 28,237.32, 42,363.12 and 19,933.56

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Solution

The fourth proportional to 28,237.32, 42,363.12 and 19,933.56 is: 29,905.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,237.32 : 42,363.12 = 19,933.56 : x
  2. Step 2: Convert to fraction form
    28,237.32/42,363.12 = 19,933.56/x
  3. Step 3: Cross multiply
    28,237.32x = 42,363.12 × 19,933.56
  4. Step 4: Simplify right side
    28,237.32x = 844,447,794.31
  5. Step 5: Solve for x
    x = 844,447,794.31/28,237.32
  6. Step 6: Final answer
    x = 29,905.38

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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.