Home / 27,950.42-38,558.02-16,611.89

Finding the Fourth Proportional to 27,950.42, 38,558.02 and 16,611.89

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Solution

The fourth proportional to 27,950.42, 38,558.02 and 16,611.89 is: 22,916.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,950.42 : 38,558.02 = 16,611.89 : x
  2. Step 2: Convert to fraction form
    27,950.42/38,558.02 = 16,611.89/x
  3. Step 3: Cross multiply
    27,950.42x = 38,558.02 × 16,611.89
  4. Step 4: Simplify right side
    27,950.42x = 640,521,586.86
  5. Step 5: Solve for x
    x = 640,521,586.86/27,950.42
  6. Step 6: Final answer
    x = 22,916.35

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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.