Home / 17,688.55-26,529.42-6,869.28

Finding the Fourth Proportional to 17,688.55, 26,529.42 and 6,869.28

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Solution

The fourth proportional to 17,688.55, 26,529.42 and 6,869.28 is: 10,302.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,688.55 : 26,529.42 = 6,869.28 : x
  2. Step 2: Convert to fraction form
    17,688.55/26,529.42 = 6,869.28/x
  3. Step 3: Cross multiply
    17,688.55x = 26,529.42 × 6,869.28
  4. Step 4: Simplify right side
    17,688.55x = 182,238,014.22
  5. Step 5: Solve for x
    x = 182,238,014.22/17,688.55
  6. Step 6: Final answer
    x = 10,302.60

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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.