Home / 28,551.98-39,406.27-17,223.11

Finding the Fourth Proportional to 28,551.98, 39,406.27 and 17,223.11

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Solution

The fourth proportional to 28,551.98, 39,406.27 and 17,223.11 is: 23,770.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,551.98 : 39,406.27 = 17,223.11 : x
  2. Step 2: Convert to fraction form
    28,551.98/39,406.27 = 17,223.11/x
  3. Step 3: Cross multiply
    28,551.98x = 39,406.27 × 17,223.11
  4. Step 4: Simplify right side
    28,551.98x = 678,698,337.22
  5. Step 5: Solve for x
    x = 678,698,337.22/28,551.98
  6. Step 6: Final answer
    x = 23,770.62

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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.