Home / 28,870.68-43,306.02-8,094.36

Finding the Fourth Proportional to 28,870.68, 43,306.02 and 8,094.36

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Solution

The fourth proportional to 28,870.68, 43,306.02 and 8,094.36 is: 12,141.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,870.68 : 43,306.02 = 8,094.36 : x
  2. Step 2: Convert to fraction form
    28,870.68/43,306.02 = 8,094.36/x
  3. Step 3: Cross multiply
    28,870.68x = 43,306.02 × 8,094.36
  4. Step 4: Simplify right side
    28,870.68x = 350,534,516.05
  5. Step 5: Solve for x
    x = 350,534,516.05/28,870.68
  6. Step 6: Final answer
    x = 12,141.54

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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.