Home / 27,394.08-37,822.32-17,978.64

Finding the Fourth Proportional to 27,394.08, 37,822.32 and 17,978.64

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Solution

The fourth proportional to 27,394.08, 37,822.32 and 17,978.64 is: 24,822.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,394.08 : 37,822.32 = 17,978.64 : x
  2. Step 2: Convert to fraction form
    27,394.08/37,822.32 = 17,978.64/x
  3. Step 3: Cross multiply
    27,394.08x = 37,822.32 × 17,978.64
  4. Step 4: Simplify right side
    27,394.08x = 679,993,875.24
  5. Step 5: Solve for x
    x = 679,993,875.24/27,394.08
  6. Step 6: Final answer
    x = 24,822.66

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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.