Home / 42,992.72-64,455.16-27,164.39

Finding the Fourth Proportional to 42,992.72, 64,455.16 and 27,164.39

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Solution

The fourth proportional to 42,992.72, 64,455.16 and 27,164.39 is: 40,725.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,992.72 : 64,455.16 = 27,164.39 : x
  2. Step 2: Convert to fraction form
    42,992.72/64,455.16 = 27,164.39/x
  3. Step 3: Cross multiply
    42,992.72x = 64,455.16 × 27,164.39
  4. Step 4: Simplify right side
    42,992.72x = 1,750,884,783.49
  5. Step 5: Solve for x
    x = 1,750,884,783.49/42,992.72
  6. Step 6: Final answer
    x = 40,725.15

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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.