Home / 21,924.88-30,255.93-13,425.65

Finding the Fourth Proportional to 21,924.88, 30,255.93 and 13,425.65

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Solution

The fourth proportional to 21,924.88, 30,255.93 and 13,425.65 is: 18,527.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,924.88 : 30,255.93 = 13,425.65 : x
  2. Step 2: Convert to fraction form
    21,924.88/30,255.93 = 13,425.65/x
  3. Step 3: Cross multiply
    21,924.88x = 30,255.93 × 13,425.65
  4. Step 4: Simplify right side
    21,924.88x = 406,205,488.78
  5. Step 5: Solve for x
    x = 406,205,488.78/21,924.88
  6. Step 6: Final answer
    x = 18,527.15

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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.