Home / 20,567.38-28,379.93-11,614.71

Finding the Fourth Proportional to 20,567.38, 28,379.93 and 11,614.71

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Solution

The fourth proportional to 20,567.38, 28,379.93 and 11,614.71 is: 16,026.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,567.38 : 28,379.93 = 11,614.71 : x
  2. Step 2: Convert to fraction form
    20,567.38/28,379.93 = 11,614.71/x
  3. Step 3: Cross multiply
    20,567.38x = 28,379.93 × 11,614.71
  4. Step 4: Simplify right side
    20,567.38x = 329,624,656.77
  5. Step 5: Solve for x
    x = 329,624,656.77/20,567.38
  6. Step 6: Final answer
    x = 16,026.57

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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.