Home / 27,172.95-40,715.69-16,762.83

Finding the Fourth Proportional to 27,172.95, 40,715.69 and 16,762.83

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Solution

The fourth proportional to 27,172.95, 40,715.69 and 16,762.83 is: 25,117.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,172.95 : 40,715.69 = 16,762.83 : x
  2. Step 2: Convert to fraction form
    27,172.95/40,715.69 = 16,762.83/x
  3. Step 3: Cross multiply
    27,172.95x = 40,715.69 × 16,762.83
  4. Step 4: Simplify right side
    27,172.95x = 682,510,105.99
  5. Step 5: Solve for x
    x = 682,510,105.99/27,172.95
  6. Step 6: Final answer
    x = 25,117.26

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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.