Home / 27,773.87-38,317.23-19,271.74

Finding the Fourth Proportional to 27,773.87, 38,317.23 and 19,271.74

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Solution

The fourth proportional to 27,773.87, 38,317.23 and 19,271.74 is: 26,587.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,773.87 : 38,317.23 = 19,271.74 : x
  2. Step 2: Convert to fraction form
    27,773.87/38,317.23 = 19,271.74/x
  3. Step 3: Cross multiply
    27,773.87x = 38,317.23 × 19,271.74
  4. Step 4: Simplify right side
    27,773.87x = 738,439,670.56
  5. Step 5: Solve for x
    x = 738,439,670.56/27,773.87
  6. Step 6: Final answer
    x = 26,587.57

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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.