Home / 28,737.69-39,653.44-16,160.01

Finding the Fourth Proportional to 28,737.69, 39,653.44 and 16,160.01

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Solution

The fourth proportional to 28,737.69, 39,653.44 and 16,160.01 is: 22,298.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,737.69 : 39,653.44 = 16,160.01 : x
  2. Step 2: Convert to fraction form
    28,737.69/39,653.44 = 16,160.01/x
  3. Step 3: Cross multiply
    28,737.69x = 39,653.44 × 16,160.01
  4. Step 4: Simplify right side
    28,737.69x = 640,799,795.54
  5. Step 5: Solve for x
    x = 640,799,795.54/28,737.69
  6. Step 6: Final answer
    x = 22,298.24

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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.