Home / 28,717.03-43,075.50-8,997.12

Finding the Fourth Proportional to 28,717.03, 43,075.50 and 8,997.12

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Solution

The fourth proportional to 28,717.03, 43,075.50 and 8,997.12 is: 13,495.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,717.03 : 43,075.50 = 8,997.12 : x
  2. Step 2: Convert to fraction form
    28,717.03/43,075.50 = 8,997.12/x
  3. Step 3: Cross multiply
    28,717.03x = 43,075.50 × 8,997.12
  4. Step 4: Simplify right side
    28,717.03x = 387,555,442.56
  5. Step 5: Solve for x
    x = 387,555,442.56/28,717.03
  6. Step 6: Final answer
    x = 13,495.67

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Double scale
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1.5x scale

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.