Home / 27,009.80-40,538.70-15,902.60

Finding the Fourth Proportional to 27,009.80, 40,538.70 and 15,902.60

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Solution

The fourth proportional to 27,009.80, 40,538.70 and 15,902.60 is: 23,868.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,009.80 : 40,538.70 = 15,902.60 : x
  2. Step 2: Convert to fraction form
    27,009.80/40,538.70 = 15,902.60/x
  3. Step 3: Cross multiply
    27,009.80x = 40,538.70 × 15,902.60
  4. Step 4: Simplify right side
    27,009.80x = 644,670,730.62
  5. Step 5: Solve for x
    x = 644,670,730.62/27,009.80
  6. Step 6: Final answer
    x = 23,868.03

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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.