Home / 28,072.52-42,075.96-15,586.56

Finding the Fourth Proportional to 28,072.52, 42,075.96 and 15,586.56

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Solution

The fourth proportional to 28,072.52, 42,075.96 and 15,586.56 is: 23,361.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,072.52 : 42,075.96 = 15,586.56 : x
  2. Step 2: Convert to fraction form
    28,072.52/42,075.96 = 15,586.56/x
  3. Step 3: Cross multiply
    28,072.52x = 42,075.96 × 15,586.56
  4. Step 4: Simplify right side
    28,072.52x = 655,819,475.10
  5. Step 5: Solve for x
    x = 655,819,475.10/28,072.52
  6. Step 6: Final answer
    x = 23,361.62

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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.