Home / 38,328.86-52,893.29-21,333.82

Finding the Fourth Proportional to 38,328.86, 52,893.29 and 21,333.82

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Solution

The fourth proportional to 38,328.86, 52,893.29 and 21,333.82 is: 29,440.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,328.86 : 52,893.29 = 21,333.82 : x
  2. Step 2: Convert to fraction form
    38,328.86/52,893.29 = 21,333.82/x
  3. Step 3: Cross multiply
    38,328.86x = 52,893.29 × 21,333.82
  4. Step 4: Simplify right side
    38,328.86x = 1,128,415,928.07
  5. Step 5: Solve for x
    x = 1,128,415,928.07/38,328.86
  6. Step 6: Final answer
    x = 29,440.37

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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.