Home / 28,149.21-42,211.40-14,998.77

Finding the Fourth Proportional to 28,149.21, 42,211.40 and 14,998.77

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Solution

The fourth proportional to 28,149.21, 42,211.40 and 14,998.77 is: 22,491.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,149.21 : 42,211.40 = 14,998.77 : x
  2. Step 2: Convert to fraction form
    28,149.21/42,211.40 = 14,998.77/x
  3. Step 3: Cross multiply
    28,149.21x = 42,211.40 × 14,998.77
  4. Step 4: Simplify right side
    28,149.21x = 633,119,004.98
  5. Step 5: Solve for x
    x = 633,119,004.98/28,149.21
  6. Step 6: Final answer
    x = 22,491.54

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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.