Home / 28,465.73-39,280.49-16,529.96

Finding the Fourth Proportional to 28,465.73, 39,280.49 and 16,529.96

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Solution

The fourth proportional to 28,465.73, 39,280.49 and 16,529.96 is: 22,810.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,465.73 : 39,280.49 = 16,529.96 : x
  2. Step 2: Convert to fraction form
    28,465.73/39,280.49 = 16,529.96/x
  3. Step 3: Cross multiply
    28,465.73x = 39,280.49 × 16,529.96
  4. Step 4: Simplify right side
    28,465.73x = 649,304,649.43
  5. Step 5: Solve for x
    x = 649,304,649.43/28,465.73
  6. Step 6: Final answer
    x = 22,810.05

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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.