Home / 28,476.15-39,290.43-16,532.29

Finding the Fourth Proportional to 28,476.15, 39,290.43 and 16,532.29

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Solution

The fourth proportional to 28,476.15, 39,290.43 and 16,532.29 is: 22,810.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,476.15 : 39,290.43 = 16,532.29 : x
  2. Step 2: Convert to fraction form
    28,476.15/39,290.43 = 16,532.29/x
  3. Step 3: Cross multiply
    28,476.15x = 39,290.43 × 16,532.29
  4. Step 4: Simplify right side
    28,476.15x = 649,560,782.98
  5. Step 5: Solve for x
    x = 649,560,782.98/28,476.15
  6. Step 6: Final answer
    x = 22,810.70

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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.