Home / 27,710.55-38,238.93-16,381.08

Finding the Fourth Proportional to 27,710.55, 38,238.93 and 16,381.08

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Solution

The fourth proportional to 27,710.55, 38,238.93 and 16,381.08 is: 22,604.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,710.55 : 38,238.93 = 16,381.08 : x
  2. Step 2: Convert to fraction form
    27,710.55/38,238.93 = 16,381.08/x
  3. Step 3: Cross multiply
    27,710.55x = 38,238.93 × 16,381.08
  4. Step 4: Simplify right side
    27,710.55x = 626,394,971.44
  5. Step 5: Solve for x
    x = 626,394,971.44/27,710.55
  6. Step 6: Final answer
    x = 22,604.93

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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.