Home / 28,596.24-42,906.14-12,577.55

Finding the Fourth Proportional to 28,596.24, 42,906.14 and 12,577.55

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Solution

The fourth proportional to 28,596.24, 42,906.14 and 12,577.55 is: 18,871.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,596.24 : 42,906.14 = 12,577.55 : x
  2. Step 2: Convert to fraction form
    28,596.24/42,906.14 = 12,577.55/x
  3. Step 3: Cross multiply
    28,596.24x = 42,906.14 × 12,577.55
  4. Step 4: Simplify right side
    28,596.24x = 539,653,890.90
  5. Step 5: Solve for x
    x = 539,653,890.90/28,596.24
  6. Step 6: Final answer
    x = 18,871.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.