Home / 28,208.88-38,926.76-16,271.51

Finding the Fourth Proportional to 28,208.88, 38,926.76 and 16,271.51

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Solution

The fourth proportional to 28,208.88, 38,926.76 and 16,271.51 is: 22,453.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,208.88 : 38,926.76 = 16,271.51 : x
  2. Step 2: Convert to fraction form
    28,208.88/38,926.76 = 16,271.51/x
  3. Step 3: Cross multiply
    28,208.88x = 38,926.76 × 16,271.51
  4. Step 4: Simplify right side
    28,208.88x = 633,396,888.62
  5. Step 5: Solve for x
    x = 633,396,888.62/28,208.88
  6. Step 6: Final answer
    x = 22,453.81

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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.