Home / 28,998.25-40,017.59-16,425.43

Finding the Fourth Proportional to 28,998.25, 40,017.59 and 16,425.43

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Solution

The fourth proportional to 28,998.25, 40,017.59 and 16,425.43 is: 22,667.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,998.25 : 40,017.59 = 16,425.43 : x
  2. Step 2: Convert to fraction form
    28,998.25/40,017.59 = 16,425.43/x
  3. Step 3: Cross multiply
    28,998.25x = 40,017.59 × 16,425.43
  4. Step 4: Simplify right side
    28,998.25x = 657,306,123.31
  5. Step 5: Solve for x
    x = 657,306,123.31/28,998.25
  6. Step 6: Final answer
    x = 22,667.10

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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.