Home / 19,927.85-29,877.80-8,828.51

Finding the Fourth Proportional to 19,927.85, 29,877.80 and 8,828.51

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Solution

The fourth proportional to 19,927.85, 29,877.80 and 8,828.51 is: 13,236.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,927.85 : 29,877.80 = 8,828.51 : x
  2. Step 2: Convert to fraction form
    19,927.85/29,877.80 = 8,828.51/x
  3. Step 3: Cross multiply
    19,927.85x = 29,877.80 × 8,828.51
  4. Step 4: Simplify right side
    19,927.85x = 263,776,262.55
  5. Step 5: Solve for x
    x = 263,776,262.55/19,927.85
  6. Step 6: Final answer
    x = 13,236.57

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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.