Home / 28,926.79-43,396.69-10,208.16

Finding the Fourth Proportional to 28,926.79, 43,396.69 and 10,208.16

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Solution

The fourth proportional to 28,926.79, 43,396.69 and 10,208.16 is: 15,314.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,926.79 : 43,396.69 = 10,208.16 : x
  2. Step 2: Convert to fraction form
    28,926.79/43,396.69 = 10,208.16/x
  3. Step 3: Cross multiply
    28,926.79x = 43,396.69 × 10,208.16
  4. Step 4: Simplify right side
    28,926.79x = 443,000,138.01
  5. Step 5: Solve for x
    x = 443,000,138.01/28,926.79
  6. Step 6: Final answer
    x = 15,314.53

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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.