Home / 28,614.74-39,485.14-16,039.22

Finding the Fourth Proportional to 28,614.74, 39,485.14 and 16,039.22

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Solution

The fourth proportional to 28,614.74, 39,485.14 and 16,039.22 is: 22,132.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,614.74 : 39,485.14 = 16,039.22 : x
  2. Step 2: Convert to fraction form
    28,614.74/39,485.14 = 16,039.22/x
  3. Step 3: Cross multiply
    28,614.74x = 39,485.14 × 16,039.22
  4. Step 4: Simplify right side
    28,614.74x = 633,310,609.67
  5. Step 5: Solve for x
    x = 633,310,609.67/28,614.74
  6. Step 6: Final answer
    x = 22,132.32

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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.