Home / 27,075.84-40,638.34-18,808.98

Finding the Fourth Proportional to 27,075.84, 40,638.34 and 18,808.98

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Solution

The fourth proportional to 27,075.84, 40,638.34 and 18,808.98 is: 28,230.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,075.84 : 40,638.34 = 18,808.98 : x
  2. Step 2: Convert to fraction form
    27,075.84/40,638.34 = 18,808.98/x
  3. Step 3: Cross multiply
    27,075.84x = 40,638.34 × 18,808.98
  4. Step 4: Simplify right side
    27,075.84x = 764,365,724.29
  5. Step 5: Solve for x
    x = 764,365,724.29/27,075.84
  6. Step 6: Final answer
    x = 28,230.55

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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.