Home / 28,357.68-39,137.31-16,262.90

Finding the Fourth Proportional to 28,357.68, 39,137.31 and 16,262.90

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Solution

The fourth proportional to 28,357.68, 39,137.31 and 16,262.90 is: 22,444.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,357.68 : 39,137.31 = 16,262.90 : x
  2. Step 2: Convert to fraction form
    28,357.68/39,137.31 = 16,262.90/x
  3. Step 3: Cross multiply
    28,357.68x = 39,137.31 × 16,262.90
  4. Step 4: Simplify right side
    28,357.68x = 636,486,158.80
  5. Step 5: Solve for x
    x = 636,486,158.80/28,357.68
  6. Step 6: Final answer
    x = 22,444.93

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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.