Home / 19,647.24-27,126.77-18,392.45

Finding the Fourth Proportional to 19,647.24, 27,126.77 and 18,392.45

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Solution

The fourth proportional to 19,647.24, 27,126.77 and 18,392.45 is: 25,394.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,647.24 : 27,126.77 = 18,392.45 : x
  2. Step 2: Convert to fraction form
    19,647.24/27,126.77 = 18,392.45/x
  3. Step 3: Cross multiply
    19,647.24x = 27,126.77 × 18,392.45
  4. Step 4: Simplify right side
    19,647.24x = 498,927,533.29
  5. Step 5: Solve for x
    x = 498,927,533.29/19,647.24
  6. Step 6: Final answer
    x = 25,394.29

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1.5x scale

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.