Home / 28,623.96-42,927.19-19,796.03

Finding the Fourth Proportional to 28,623.96, 42,927.19 and 19,796.03

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Solution

The fourth proportional to 28,623.96, 42,927.19 and 19,796.03 is: 29,687.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,623.96 : 42,927.19 = 19,796.03 : x
  2. Step 2: Convert to fraction form
    28,623.96/42,927.19 = 19,796.03/x
  3. Step 3: Cross multiply
    28,623.96x = 42,927.19 × 19,796.03
  4. Step 4: Simplify right side
    28,623.96x = 849,787,941.06
  5. Step 5: Solve for x
    x = 849,787,941.06/28,623.96
  6. Step 6: Final answer
    x = 29,687.99

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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.