Home / 25,298.86-34,912.40-14,120.86

Finding the Fourth Proportional to 25,298.86, 34,912.40 and 14,120.86

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Solution

The fourth proportional to 25,298.86, 34,912.40 and 14,120.86 is: 19,486.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,298.86 : 34,912.40 = 14,120.86 : x
  2. Step 2: Convert to fraction form
    25,298.86/34,912.40 = 14,120.86/x
  3. Step 3: Cross multiply
    25,298.86x = 34,912.40 × 14,120.86
  4. Step 4: Simplify right side
    25,298.86x = 492,993,112.66
  5. Step 5: Solve for x
    x = 492,993,112.66/25,298.86
  6. Step 6: Final answer
    x = 19,486.77

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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.