Home / 28,576.80-39,417.03-22,599

Finding the Fourth Proportional to 28,576.80, 39,417.03 and 22,599

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Solution

The fourth proportional to 28,576.80, 39,417.03 and 22,599 is: 31,171.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,576.80 : 39,417.03 = 22,599 : x
  2. Step 2: Convert to fraction form
    28,576.80/39,417.03 = 22,599/x
  3. Step 3: Cross multiply
    28,576.80x = 39,417.03 × 22,599
  4. Step 4: Simplify right side
    28,576.80x = 890,785,460.97
  5. Step 5: Solve for x
    x = 890,785,460.97/28,576.80
  6. Step 6: Final answer
    x = 31,171.63

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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.