Home / 17,438.59-26,155.09-7,575.22

Finding the Fourth Proportional to 17,438.59, 26,155.09 and 7,575.22

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Solution

The fourth proportional to 17,438.59, 26,155.09 and 7,575.22 is: 11,361.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,438.59 : 26,155.09 = 7,575.22 : x
  2. Step 2: Convert to fraction form
    17,438.59/26,155.09 = 7,575.22/x
  3. Step 3: Cross multiply
    17,438.59x = 26,155.09 × 7,575.22
  4. Step 4: Simplify right side
    17,438.59x = 198,130,560.87
  5. Step 5: Solve for x
    x = 198,130,560.87/17,438.59
  6. Step 6: Final answer
    x = 11,361.62

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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.