Home / 28,359.01-42,464.19-19,993.73

Finding the Fourth Proportional to 28,359.01, 42,464.19 and 19,993.73

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Solution

The fourth proportional to 28,359.01, 42,464.19 and 19,993.73 is: 29,938.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,359.01 : 42,464.19 = 19,993.73 : x
  2. Step 2: Convert to fraction form
    28,359.01/42,464.19 = 19,993.73/x
  3. Step 3: Cross multiply
    28,359.01x = 42,464.19 × 19,993.73
  4. Step 4: Simplify right side
    28,359.01x = 849,017,549.53
  5. Step 5: Solve for x
    x = 849,017,549.53/28,359.01
  6. Step 6: Final answer
    x = 29,938.20

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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.