Home / 22,990.22-31,729.93-14,042.87

Finding the Fourth Proportional to 22,990.22, 31,729.93 and 14,042.87

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Solution

The fourth proportional to 22,990.22, 31,729.93 and 14,042.87 is: 19,381.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,990.22 : 31,729.93 = 14,042.87 : x
  2. Step 2: Convert to fraction form
    22,990.22/31,729.93 = 14,042.87/x
  3. Step 3: Cross multiply
    22,990.22x = 31,729.93 × 14,042.87
  4. Step 4: Simplify right side
    22,990.22x = 445,579,282.10
  5. Step 5: Solve for x
    x = 445,579,282.10/22,990.22
  6. Step 6: Final answer
    x = 19,381.25

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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.