Home / 28,415.16-39,220.92-17,804.16

Finding the Fourth Proportional to 28,415.16, 39,220.92 and 17,804.16

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Solution

The fourth proportional to 28,415.16, 39,220.92 and 17,804.16 is: 24,574.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,415.16 : 39,220.92 = 17,804.16 : x
  2. Step 2: Convert to fraction form
    28,415.16/39,220.92 = 17,804.16/x
  3. Step 3: Cross multiply
    28,415.16x = 39,220.92 × 17,804.16
  4. Step 4: Simplify right side
    28,415.16x = 698,295,535.03
  5. Step 5: Solve for x
    x = 698,295,535.03/28,415.16
  6. Step 6: Final answer
    x = 24,574.75

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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.