Home / 28,563.08-39,436.32-17,812.16

Finding the Fourth Proportional to 28,563.08, 39,436.32 and 17,812.16

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Solution

The fourth proportional to 28,563.08, 39,436.32 and 17,812.16 is: 24,592.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,563.08 : 39,436.32 = 17,812.16 : x
  2. Step 2: Convert to fraction form
    28,563.08/39,436.32 = 17,812.16/x
  3. Step 3: Cross multiply
    28,563.08x = 39,436.32 × 17,812.16
  4. Step 4: Simplify right side
    28,563.08x = 702,446,041.65
  5. Step 5: Solve for x
    x = 702,446,041.65/28,563.08
  6. Step 6: Final answer
    x = 24,592.80

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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.