Home / 28,092.30-42,150.72-16,405.56

Finding the Fourth Proportional to 28,092.30, 42,150.72 and 16,405.56

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Solution

The fourth proportional to 28,092.30, 42,150.72 and 16,405.56 is: 24,615.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,092.30 : 42,150.72 = 16,405.56 : x
  2. Step 2: Convert to fraction form
    28,092.30/42,150.72 = 16,405.56/x
  3. Step 3: Cross multiply
    28,092.30x = 42,150.72 × 16,405.56
  4. Step 4: Simplify right side
    28,092.30x = 691,506,166.00
  5. Step 5: Solve for x
    x = 691,506,166.00/28,092.30
  6. Step 6: Final answer
    x = 24,615.51

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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.