Home / 28,561.92-39,401.84-19,006.25

Finding the Fourth Proportional to 28,561.92, 39,401.84 and 19,006.25

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Solution

The fourth proportional to 28,561.92, 39,401.84 and 19,006.25 is: 26,219.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,561.92 : 39,401.84 = 19,006.25 : x
  2. Step 2: Convert to fraction form
    28,561.92/39,401.84 = 19,006.25/x
  3. Step 3: Cross multiply
    28,561.92x = 39,401.84 × 19,006.25
  4. Step 4: Simplify right side
    28,561.92x = 748,881,072.01
  5. Step 5: Solve for x
    x = 748,881,072.01/28,561.92
  6. Step 6: Final answer
    x = 26,219.57

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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.