Home / 27,982.76-42,000.06-14,141.48

Finding the Fourth Proportional to 27,982.76, 42,000.06 and 14,141.48

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Solution

The fourth proportional to 27,982.76, 42,000.06 and 14,141.48 is: 21,225.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,982.76 : 42,000.06 = 14,141.48 : x
  2. Step 2: Convert to fraction form
    27,982.76/42,000.06 = 14,141.48/x
  3. Step 3: Cross multiply
    27,982.76x = 42,000.06 × 14,141.48
  4. Step 4: Simplify right side
    27,982.76x = 593,943,008.49
  5. Step 5: Solve for x
    x = 593,943,008.49/27,982.76
  6. Step 6: Final answer
    x = 21,225.32

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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.