Home / 25,478.79-35,161.32-14,148

Finding the Fourth Proportional to 25,478.79, 35,161.32 and 14,148

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Solution

The fourth proportional to 25,478.79, 35,161.32 and 14,148 is: 19,524.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,478.79 : 35,161.32 = 14,148 : x
  2. Step 2: Convert to fraction form
    25,478.79/35,161.32 = 14,148/x
  3. Step 3: Cross multiply
    25,478.79x = 35,161.32 × 14,148
  4. Step 4: Simplify right side
    25,478.79x = 497,462,355.36
  5. Step 5: Solve for x
    x = 497,462,355.36/25,478.79
  6. Step 6: Final answer
    x = 19,524.57

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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.