Home / 21,092.40-31,627.67-10,551.06

Finding the Fourth Proportional to 21,092.40, 31,627.67 and 10,551.06

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Solution

The fourth proportional to 21,092.40, 31,627.67 and 10,551.06 is: 15,821.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,092.40 : 31,627.67 = 10,551.06 : x
  2. Step 2: Convert to fraction form
    21,092.40/31,627.67 = 10,551.06/x
  3. Step 3: Cross multiply
    21,092.40x = 31,627.67 × 10,551.06
  4. Step 4: Simplify right side
    21,092.40x = 333,705,391.07
  5. Step 5: Solve for x
    x = 333,705,391.07/21,092.40
  6. Step 6: Final answer
    x = 15,821.12

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1.5x scale

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.