Home / 28,008.52-38,650.02-16,072.84

Finding the Fourth Proportional to 28,008.52, 38,650.02 and 16,072.84

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Solution

The fourth proportional to 28,008.52, 38,650.02 and 16,072.84 is: 22,179.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,008.52 : 38,650.02 = 16,072.84 : x
  2. Step 2: Convert to fraction form
    28,008.52/38,650.02 = 16,072.84/x
  3. Step 3: Cross multiply
    28,008.52x = 38,650.02 × 16,072.84
  4. Step 4: Simplify right side
    28,008.52x = 621,215,587.46
  5. Step 5: Solve for x
    x = 621,215,587.46/28,008.52
  6. Step 6: Final answer
    x = 22,179.52

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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.