Home / 25,362.86-38,030.31-7,830.41

Finding the Fourth Proportional to 25,362.86, 38,030.31 and 7,830.41

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Solution

The fourth proportional to 25,362.86, 38,030.31 and 7,830.41 is: 11,741.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,362.86 : 38,030.31 = 7,830.41 : x
  2. Step 2: Convert to fraction form
    25,362.86/38,030.31 = 7,830.41/x
  3. Step 3: Cross multiply
    25,362.86x = 38,030.31 × 7,830.41
  4. Step 4: Simplify right side
    25,362.86x = 297,792,729.58
  5. Step 5: Solve for x
    x = 297,792,729.58/25,362.86
  6. Step 6: Final answer
    x = 11,741.29

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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.