Home / 26,984.76-40,503.06-13,143.48

Finding the Fourth Proportional to 26,984.76, 40,503.06 and 13,143.48

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Solution

The fourth proportional to 26,984.76, 40,503.06 and 13,143.48 is: 19,727.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,984.76 : 40,503.06 = 13,143.48 : x
  2. Step 2: Convert to fraction form
    26,984.76/40,503.06 = 13,143.48/x
  3. Step 3: Cross multiply
    26,984.76x = 40,503.06 × 13,143.48
  4. Step 4: Simplify right side
    26,984.76x = 532,351,159.05
  5. Step 5: Solve for x
    x = 532,351,159.05/26,984.76
  6. Step 6: Final answer
    x = 19,727.84

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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.