Home / 18,454.74-27,621.90-14,047.89

Finding the Fourth Proportional to 18,454.74, 27,621.90 and 14,047.89

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Solution

The fourth proportional to 18,454.74, 27,621.90 and 14,047.89 is: 21,026.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,454.74 : 27,621.90 = 14,047.89 : x
  2. Step 2: Convert to fraction form
    18,454.74/27,621.90 = 14,047.89/x
  3. Step 3: Cross multiply
    18,454.74x = 27,621.90 × 14,047.89
  4. Step 4: Simplify right side
    18,454.74x = 388,029,412.79
  5. Step 5: Solve for x
    x = 388,029,412.79/18,454.74
  6. Step 6: Final answer
    x = 21,026.00

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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.