Home / 28,064.46-42,096.59-7,287.96

Finding the Fourth Proportional to 28,064.46, 42,096.59 and 7,287.96

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Solution

The fourth proportional to 28,064.46, 42,096.59 and 7,287.96 is: 10,931.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,064.46 : 42,096.59 = 7,287.96 : x
  2. Step 2: Convert to fraction form
    28,064.46/42,096.59 = 7,287.96/x
  3. Step 3: Cross multiply
    28,064.46x = 42,096.59 × 7,287.96
  4. Step 4: Simplify right side
    28,064.46x = 306,798,122.38
  5. Step 5: Solve for x
    x = 306,798,122.38/28,064.46
  6. Step 6: Final answer
    x = 10,931.91

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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.