Home / 28,208.65-38,926.57-16,275.84

Finding the Fourth Proportional to 28,208.65, 38,926.57 and 16,275.84

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Solution

The fourth proportional to 28,208.65, 38,926.57 and 16,275.84 is: 22,459.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,208.65 : 38,926.57 = 16,275.84 : x
  2. Step 2: Convert to fraction form
    28,208.65/38,926.57 = 16,275.84/x
  3. Step 3: Cross multiply
    28,208.65x = 38,926.57 × 16,275.84
  4. Step 4: Simplify right side
    28,208.65x = 633,562,625.07
  5. Step 5: Solve for x
    x = 633,562,625.07/28,208.65
  6. Step 6: Final answer
    x = 22,459.87

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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.