Home / 28,868.46-43,253.40-15,697.32

Finding the Fourth Proportional to 28,868.46, 43,253.40 and 15,697.32

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Solution

The fourth proportional to 28,868.46, 43,253.40 and 15,697.32 is: 23,519.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,868.46 : 43,253.40 = 15,697.32 : x
  2. Step 2: Convert to fraction form
    28,868.46/43,253.40 = 15,697.32/x
  3. Step 3: Cross multiply
    28,868.46x = 43,253.40 × 15,697.32
  4. Step 4: Simplify right side
    28,868.46x = 678,962,460.89
  5. Step 5: Solve for x
    x = 678,962,460.89/28,868.46
  6. Step 6: Final answer
    x = 23,519.18

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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.