Home / 28,330.47-39,091.14-16,393.10

Finding the Fourth Proportional to 28,330.47, 39,091.14 and 16,393.10

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Solution

The fourth proportional to 28,330.47, 39,091.14 and 16,393.10 is: 22,619.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,330.47 : 39,091.14 = 16,393.10 : x
  2. Step 2: Convert to fraction form
    28,330.47/39,091.14 = 16,393.10/x
  3. Step 3: Cross multiply
    28,330.47x = 39,091.14 × 16,393.10
  4. Step 4: Simplify right side
    28,330.47x = 640,824,771.68
  5. Step 5: Solve for x
    x = 640,824,771.68/28,330.47
  6. Step 6: Final answer
    x = 22,619.63

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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.