Home / 22,992.45-31,728.67-14,054.91

Finding the Fourth Proportional to 22,992.45, 31,728.67 and 14,054.91

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Solution

The fourth proportional to 22,992.45, 31,728.67 and 14,054.91 is: 19,395.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,992.45 : 31,728.67 = 14,054.91 : x
  2. Step 2: Convert to fraction form
    22,992.45/31,728.67 = 14,054.91/x
  3. Step 3: Cross multiply
    22,992.45x = 31,728.67 × 14,054.91
  4. Step 4: Simplify right side
    22,992.45x = 445,943,601.27
  5. Step 5: Solve for x
    x = 445,943,601.27/22,992.45
  6. Step 6: Final answer
    x = 19,395.22

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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.