Home / 28,051.80-42,077.70-16,225.80

Finding the Fourth Proportional to 28,051.80, 42,077.70 and 16,225.80

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Solution

The fourth proportional to 28,051.80, 42,077.70 and 16,225.80 is: 24,338.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,051.80 : 42,077.70 = 16,225.80 : x
  2. Step 2: Convert to fraction form
    28,051.80/42,077.70 = 16,225.80/x
  3. Step 3: Cross multiply
    28,051.80x = 42,077.70 × 16,225.80
  4. Step 4: Simplify right side
    28,051.80x = 682,744,344.66
  5. Step 5: Solve for x
    x = 682,744,344.66/28,051.80
  6. Step 6: Final answer
    x = 24,338.70

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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.