Home / 17,748.15-26,638.50-8,989.22

Finding the Fourth Proportional to 17,748.15, 26,638.50 and 8,989.22

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Solution

The fourth proportional to 17,748.15, 26,638.50 and 8,989.22 is: 13,492.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,748.15 : 26,638.50 = 8,989.22 : x
  2. Step 2: Convert to fraction form
    17,748.15/26,638.50 = 8,989.22/x
  3. Step 3: Cross multiply
    17,748.15x = 26,638.50 × 8,989.22
  4. Step 4: Simplify right side
    17,748.15x = 239,459,203.78
  5. Step 5: Solve for x
    x = 239,459,203.78/17,748.15
  6. Step 6: Final answer
    x = 13,492.07

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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.