Home / 28,005.01-41,986.65-12,207.04

Finding the Fourth Proportional to 28,005.01, 41,986.65 and 12,207.04

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Solution

The fourth proportional to 28,005.01, 41,986.65 and 12,207.04 is: 18,301.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,005.01 : 41,986.65 = 12,207.04 : x
  2. Step 2: Convert to fraction form
    28,005.01/41,986.65 = 12,207.04/x
  3. Step 3: Cross multiply
    28,005.01x = 41,986.65 × 12,207.04
  4. Step 4: Simplify right side
    28,005.01x = 512,532,656.83
  5. Step 5: Solve for x
    x = 512,532,656.83/28,005.01
  6. Step 6: Final answer
    x = 18,301.46

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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.