Home / 28,561.08-39,433.56-17,810.16

Finding the Fourth Proportional to 28,561.08, 39,433.56 and 17,810.16

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Solution

The fourth proportional to 28,561.08, 39,433.56 and 17,810.16 is: 24,590.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,561.08 : 39,433.56 = 17,810.16 : x
  2. Step 2: Convert to fraction form
    28,561.08/39,433.56 = 17,810.16/x
  3. Step 3: Cross multiply
    28,561.08x = 39,433.56 × 17,810.16
  4. Step 4: Simplify right side
    28,561.08x = 702,318,012.97
  5. Step 5: Solve for x
    x = 702,318,012.97/28,561.08
  6. Step 6: Final answer
    x = 24,590.04

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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.