Home / 28,327.36-39,091.52-15,752

Finding the Fourth Proportional to 28,327.36, 39,091.52 and 15,752

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Solution

The fourth proportional to 28,327.36, 39,091.52 and 15,752 is: 21,737.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,327.36 : 39,091.52 = 15,752 : x
  2. Step 2: Convert to fraction form
    28,327.36/39,091.52 = 15,752/x
  3. Step 3: Cross multiply
    28,327.36x = 39,091.52 × 15,752
  4. Step 4: Simplify right side
    28,327.36x = 615,769,623.04
  5. Step 5: Solve for x
    x = 615,769,623.04/28,327.36
  6. Step 6: Final answer
    x = 21,737.63

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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.