Home / 38,859.84-58,289.76-18,072

Finding the Fourth Proportional to 38,859.84, 58,289.76 and 18,072

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Solution

The fourth proportional to 38,859.84, 58,289.76 and 18,072 is: 27,108.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,859.84 : 58,289.76 = 18,072 : x
  2. Step 2: Convert to fraction form
    38,859.84/58,289.76 = 18,072/x
  3. Step 3: Cross multiply
    38,859.84x = 58,289.76 × 18,072
  4. Step 4: Simplify right side
    38,859.84x = 1,053,412,542.72
  5. Step 5: Solve for x
    x = 1,053,412,542.72/38,859.84
  6. Step 6: Final answer
    x = 27,108.00

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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.