Home / 27,438.30-41,200.65-15,774.30

Finding the Fourth Proportional to 27,438.30, 41,200.65 and 15,774.30

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Solution

The fourth proportional to 27,438.30, 41,200.65 and 15,774.30 is: 23,686.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,438.30 : 41,200.65 = 15,774.30 : x
  2. Step 2: Convert to fraction form
    27,438.30/41,200.65 = 15,774.30/x
  3. Step 3: Cross multiply
    27,438.30x = 41,200.65 × 15,774.30
  4. Step 4: Simplify right side
    27,438.30x = 649,911,413.30
  5. Step 5: Solve for x
    x = 649,911,413.30/27,438.30
  6. Step 6: Final answer
    x = 23,686.29

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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.