Home / 25,458.58-35,131.89-14,279.86

Finding the Fourth Proportional to 25,458.58, 35,131.89 and 14,279.86

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Solution

The fourth proportional to 25,458.58, 35,131.89 and 14,279.86 is: 19,705.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,458.58 : 35,131.89 = 14,279.86 : x
  2. Step 2: Convert to fraction form
    25,458.58/35,131.89 = 14,279.86/x
  3. Step 3: Cross multiply
    25,458.58x = 35,131.89 × 14,279.86
  4. Step 4: Simplify right side
    25,458.58x = 501,678,470.74
  5. Step 5: Solve for x
    x = 501,678,470.74/25,458.58
  6. Step 6: Final answer
    x = 19,705.67

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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.