Home / 27,261.55-40,888.72-9,488.39

Finding the Fourth Proportional to 27,261.55, 40,888.72 and 9,488.39

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Solution

The fourth proportional to 27,261.55, 40,888.72 and 9,488.39 is: 14,231.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,261.55 : 40,888.72 = 9,488.39 : x
  2. Step 2: Convert to fraction form
    27,261.55/40,888.72 = 9,488.39/x
  3. Step 3: Cross multiply
    27,261.55x = 40,888.72 × 9,488.39
  4. Step 4: Simplify right side
    27,261.55x = 387,968,074.52
  5. Step 5: Solve for x
    x = 387,968,074.52/27,261.55
  6. Step 6: Final answer
    x = 14,231.33

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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.