Home / 28,203.90-38,929.94-16,275.04

Finding the Fourth Proportional to 28,203.90, 38,929.94 and 16,275.04

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Solution

The fourth proportional to 28,203.90, 38,929.94 and 16,275.04 is: 22,464.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,203.90 : 38,929.94 = 16,275.04 : x
  2. Step 2: Convert to fraction form
    28,203.90/38,929.94 = 16,275.04/x
  3. Step 3: Cross multiply
    28,203.90x = 38,929.94 × 16,275.04
  4. Step 4: Simplify right side
    28,203.90x = 633,586,330.70
  5. Step 5: Solve for x
    x = 633,586,330.70/28,203.90
  6. Step 6: Final answer
    x = 22,464.49

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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.