Home / 25,378.86-35,020.64-14,048.37

Finding the Fourth Proportional to 25,378.86, 35,020.64 and 14,048.37

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Solution

The fourth proportional to 25,378.86, 35,020.64 and 14,048.37 is: 19,385.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,378.86 : 35,020.64 = 14,048.37 : x
  2. Step 2: Convert to fraction form
    25,378.86/35,020.64 = 14,048.37/x
  3. Step 3: Cross multiply
    25,378.86x = 35,020.64 × 14,048.37
  4. Step 4: Simplify right side
    25,378.86x = 491,982,838.11
  5. Step 5: Solve for x
    x = 491,982,838.11/25,378.86
  6. Step 6: Final answer
    x = 19,385.54

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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.