Home / 15,680.00-23,521.32-3,993.19

Finding the Fourth Proportional to 15,680.00, 23,521.32 and 3,993.19

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Solution

The fourth proportional to 15,680.00, 23,521.32 and 3,993.19 is: 5,990.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,680.00 : 23,521.32 = 3,993.19 : x
  2. Step 2: Convert to fraction form
    15,680.00/23,521.32 = 3,993.19/x
  3. Step 3: Cross multiply
    15,680.00x = 23,521.32 × 3,993.19
  4. Step 4: Simplify right side
    15,680.00x = 93,925,041.01
  5. Step 5: Solve for x
    x = 93,925,041.01/15,680.00
  6. Step 6: Final answer
    x = 5,990.12

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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.