Home / 21,245.19-31,805.48-14,898.06

Finding the Fourth Proportional to 21,245.19, 31,805.48 and 14,898.06

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Solution

The fourth proportional to 21,245.19, 31,805.48 and 14,898.06 is: 22,303.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,245.19 : 31,805.48 = 14,898.06 : x
  2. Step 2: Convert to fraction form
    21,245.19/31,805.48 = 14,898.06/x
  3. Step 3: Cross multiply
    21,245.19x = 31,805.48 × 14,898.06
  4. Step 4: Simplify right side
    21,245.19x = 473,839,949.37
  5. Step 5: Solve for x
    x = 473,839,949.37/21,245.19
  6. Step 6: Final answer
    x = 22,303.40

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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.