Home / 28,461.70-39,280.60-16,525.03

Finding the Fourth Proportional to 28,461.70, 39,280.60 and 16,525.03

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Solution

The fourth proportional to 28,461.70, 39,280.60 and 16,525.03 is: 22,806.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,461.70 : 39,280.60 = 16,525.03 : x
  2. Step 2: Convert to fraction form
    28,461.70/39,280.60 = 16,525.03/x
  3. Step 3: Cross multiply
    28,461.70x = 39,280.60 × 16,525.03
  4. Step 4: Simplify right side
    28,461.70x = 649,113,163.18
  5. Step 5: Solve for x
    x = 649,113,163.18/28,461.70
  6. Step 6: Final answer
    x = 22,806.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.