Home / 28,600.80-39,455.74-17,996.28

Finding the Fourth Proportional to 28,600.80, 39,455.74 and 17,996.28

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Solution

The fourth proportional to 28,600.80, 39,455.74 and 17,996.28 is: 24,826.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,600.80 : 39,455.74 = 17,996.28 : x
  2. Step 2: Convert to fraction form
    28,600.80/39,455.74 = 17,996.28/x
  3. Step 3: Cross multiply
    28,600.80x = 39,455.74 × 17,996.28
  4. Step 4: Simplify right side
    28,600.80x = 710,056,544.65
  5. Step 5: Solve for x
    x = 710,056,544.65/28,600.80
  6. Step 6: Final answer
    x = 24,826.46

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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.