Home / 25,828.50-35,629.71-21,325.98

Finding the Fourth Proportional to 25,828.50, 35,629.71 and 21,325.98

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Solution

The fourth proportional to 25,828.50, 35,629.71 and 21,325.98 is: 29,418.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,828.50 : 35,629.71 = 21,325.98 : x
  2. Step 2: Convert to fraction form
    25,828.50/35,629.71 = 21,325.98/x
  3. Step 3: Cross multiply
    25,828.50x = 35,629.71 × 21,325.98
  4. Step 4: Simplify right side
    25,828.50x = 759,838,482.87
  5. Step 5: Solve for x
    x = 759,838,482.87/25,828.50
  6. Step 6: Final answer
    x = 29,418.61

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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.