Home / 28,403.54-39,190.57-16,303.28

Finding the Fourth Proportional to 28,403.54, 39,190.57 and 16,303.28

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Solution

The fourth proportional to 28,403.54, 39,190.57 and 16,303.28 is: 22,494.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,403.54 : 39,190.57 = 16,303.28 : x
  2. Step 2: Convert to fraction form
    28,403.54/39,190.57 = 16,303.28/x
  3. Step 3: Cross multiply
    28,403.54x = 39,190.57 × 16,303.28
  4. Step 4: Simplify right side
    28,403.54x = 638,934,836.07
  5. Step 5: Solve for x
    x = 638,934,836.07/28,403.54
  6. Step 6: Final answer
    x = 22,494.90

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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.