Home / 17,989.41-26,987.24-5,509.14

Finding the Fourth Proportional to 17,989.41, 26,987.24 and 5,509.14

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Solution

The fourth proportional to 17,989.41, 26,987.24 and 5,509.14 is: 8,264.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,989.41 : 26,987.24 = 5,509.14 : x
  2. Step 2: Convert to fraction form
    17,989.41/26,987.24 = 5,509.14/x
  3. Step 3: Cross multiply
    17,989.41x = 26,987.24 × 5,509.14
  4. Step 4: Simplify right side
    17,989.41x = 148,676,455.83
  5. Step 5: Solve for x
    x = 148,676,455.83/17,989.41
  6. Step 6: Final answer
    x = 8,264.67

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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.