Home / 21,642.49-29,849.33-14,926.57

Finding the Fourth Proportional to 21,642.49, 29,849.33 and 14,926.57

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Solution

The fourth proportional to 21,642.49, 29,849.33 and 14,926.57 is: 20,586.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,642.49 : 29,849.33 = 14,926.57 : x
  2. Step 2: Convert to fraction form
    21,642.49/29,849.33 = 14,926.57/x
  3. Step 3: Cross multiply
    21,642.49x = 29,849.33 × 14,926.57
  4. Step 4: Simplify right side
    21,642.49x = 445,548,039.07
  5. Step 5: Solve for x
    x = 445,548,039.07/21,642.49
  6. Step 6: Final answer
    x = 20,586.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.