Home / 22,749.20-34,075.20-18,861.20

Finding the Fourth Proportional to 22,749.20, 34,075.20 and 18,861.20

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Solution

The fourth proportional to 22,749.20, 34,075.20 and 18,861.20 is: 28,251.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,749.20 : 34,075.20 = 18,861.20 : x
  2. Step 2: Convert to fraction form
    22,749.20/34,075.20 = 18,861.20/x
  3. Step 3: Cross multiply
    22,749.20x = 34,075.20 × 18,861.20
  4. Step 4: Simplify right side
    22,749.20x = 642,699,162.24
  5. Step 5: Solve for x
    x = 642,699,162.24/22,749.20
  6. Step 6: Final answer
    x = 28,251.51

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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.