Home / 25,678.96-38,518.44-14,014.96

Finding the Fourth Proportional to 25,678.96, 38,518.44 and 14,014.96

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Solution

The fourth proportional to 25,678.96, 38,518.44 and 14,014.96 is: 21,022.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,678.96 : 38,518.44 = 14,014.96 : x
  2. Step 2: Convert to fraction form
    25,678.96/38,518.44 = 14,014.96/x
  3. Step 3: Cross multiply
    25,678.96x = 38,518.44 × 14,014.96
  4. Step 4: Simplify right side
    25,678.96x = 539,834,395.86
  5. Step 5: Solve for x
    x = 539,834,395.86/25,678.96
  6. Step 6: Final answer
    x = 21,022.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.