Home / 20,358.42-28,076.67-14,691.66

Finding the Fourth Proportional to 20,358.42, 28,076.67 and 14,691.66

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Solution

The fourth proportional to 20,358.42, 28,076.67 and 14,691.66 is: 20,261.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,358.42 : 28,076.67 = 14,691.66 : x
  2. Step 2: Convert to fraction form
    20,358.42/28,076.67 = 14,691.66/x
  3. Step 3: Cross multiply
    20,358.42x = 28,076.67 × 14,691.66
  4. Step 4: Simplify right side
    20,358.42x = 412,492,889.57
  5. Step 5: Solve for x
    x = 412,492,889.57/20,358.42
  6. Step 6: Final answer
    x = 20,261.54

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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.