Home / 21,094.84-31,642.62-17,382.52

Finding the Fourth Proportional to 21,094.84, 31,642.62 and 17,382.52

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Solution

The fourth proportional to 21,094.84, 31,642.62 and 17,382.52 is: 26,074.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,094.84 : 31,642.62 = 17,382.52 : x
  2. Step 2: Convert to fraction form
    21,094.84/31,642.62 = 17,382.52/x
  3. Step 3: Cross multiply
    21,094.84x = 31,642.62 × 17,382.52
  4. Step 4: Simplify right side
    21,094.84x = 550,028,475.00
  5. Step 5: Solve for x
    x = 550,028,475.00/21,094.84
  6. Step 6: Final answer
    x = 26,074.08

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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.