Home / 28,577.80-39,658.99-27,411.40

Finding the Fourth Proportional to 28,577.80, 39,658.99 and 27,411.40

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Solution

The fourth proportional to 28,577.80, 39,658.99 and 27,411.40 is: 38,040.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,577.80 : 39,658.99 = 27,411.40 : x
  2. Step 2: Convert to fraction form
    28,577.80/39,658.99 = 27,411.40/x
  3. Step 3: Cross multiply
    28,577.80x = 39,658.99 × 27,411.40
  4. Step 4: Simplify right side
    28,577.80x = 1,087,108,438.49
  5. Step 5: Solve for x
    x = 1,087,108,438.49/28,577.80
  6. Step 6: Final answer
    x = 38,040.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.