Home / 28,576.80-39,426.39-16,637.58

Finding the Fourth Proportional to 28,576.80, 39,426.39 and 16,637.58

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Solution

The fourth proportional to 28,576.80, 39,426.39 and 16,637.58 is: 22,954.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,576.80 : 39,426.39 = 16,637.58 : x
  2. Step 2: Convert to fraction form
    28,576.80/39,426.39 = 16,637.58/x
  3. Step 3: Cross multiply
    28,576.80x = 39,426.39 × 16,637.58
  4. Step 4: Simplify right side
    28,576.80x = 655,959,717.74
  5. Step 5: Solve for x
    x = 655,959,717.74/28,576.80
  6. Step 6: Final answer
    x = 22,954.27

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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.