Home / 28,522.24-39,360.04-15,947

Finding the Fourth Proportional to 28,522.24, 39,360.04 and 15,947

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Solution

The fourth proportional to 28,522.24, 39,360.04 and 15,947 is: 22,006.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,522.24 : 39,360.04 = 15,947 : x
  2. Step 2: Convert to fraction form
    28,522.24/39,360.04 = 15,947/x
  3. Step 3: Cross multiply
    28,522.24x = 39,360.04 × 15,947
  4. Step 4: Simplify right side
    28,522.24x = 627,674,557.88
  5. Step 5: Solve for x
    x = 627,674,557.88/28,522.24
  6. Step 6: Final answer
    x = 22,006.50

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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.