Home / 20,707.32-28,576.72-14,668.38

Finding the Fourth Proportional to 20,707.32, 28,576.72 and 14,668.38

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Solution

The fourth proportional to 20,707.32, 28,576.72 and 14,668.38 is: 20,242.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,707.32 : 28,576.72 = 14,668.38 : x
  2. Step 2: Convert to fraction form
    20,707.32/28,576.72 = 14,668.38/x
  3. Step 3: Cross multiply
    20,707.32x = 28,576.72 × 14,668.38
  4. Step 4: Simplify right side
    20,707.32x = 419,174,188.11
  5. Step 5: Solve for x
    x = 419,174,188.11/20,707.32
  6. Step 6: Final answer
    x = 20,242.80

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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.