Home / 27,255.96-40,888.80-10,625.04

Finding the Fourth Proportional to 27,255.96, 40,888.80 and 10,625.04

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Solution

The fourth proportional to 27,255.96, 40,888.80 and 10,625.04 is: 15,939.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,255.96 : 40,888.80 = 10,625.04 : x
  2. Step 2: Convert to fraction form
    27,255.96/40,888.80 = 10,625.04/x
  3. Step 3: Cross multiply
    27,255.96x = 40,888.80 × 10,625.04
  4. Step 4: Simplify right side
    27,255.96x = 434,445,135.55
  5. Step 5: Solve for x
    x = 434,445,135.55/27,255.96
  6. Step 6: Final answer
    x = 15,939.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.