Home / 20,152.38-27,795.15-14,185.74

Finding the Fourth Proportional to 20,152.38, 27,795.15 and 14,185.74

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Solution

The fourth proportional to 20,152.38, 27,795.15 and 14,185.74 is: 19,565.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,152.38 : 27,795.15 = 14,185.74 : x
  2. Step 2: Convert to fraction form
    20,152.38/27,795.15 = 14,185.74/x
  3. Step 3: Cross multiply
    20,152.38x = 27,795.15 × 14,185.74
  4. Step 4: Simplify right side
    20,152.38x = 394,294,771.16
  5. Step 5: Solve for x
    x = 394,294,771.16/20,152.38
  6. Step 6: Final answer
    x = 19,565.67

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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.