Home / 28,435.08-42,652.62-8,713.56

Finding the Fourth Proportional to 28,435.08, 42,652.62 and 8,713.56

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Solution

The fourth proportional to 28,435.08, 42,652.62 and 8,713.56 is: 13,070.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,435.08 : 42,652.62 = 8,713.56 : x
  2. Step 2: Convert to fraction form
    28,435.08/42,652.62 = 8,713.56/x
  3. Step 3: Cross multiply
    28,435.08x = 42,652.62 × 8,713.56
  4. Step 4: Simplify right side
    28,435.08x = 371,656,163.53
  5. Step 5: Solve for x
    x = 371,656,163.53/28,435.08
  6. Step 6: Final answer
    x = 13,070.34

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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.