Home / 28,060.12-42,098.52-8,339.32

Finding the Fourth Proportional to 28,060.12, 42,098.52 and 8,339.32

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Solution

The fourth proportional to 28,060.12, 42,098.52 and 8,339.32 is: 12,511.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,060.12 : 42,098.52 = 8,339.32 : x
  2. Step 2: Convert to fraction form
    28,060.12/42,098.52 = 8,339.32/x
  3. Step 3: Cross multiply
    28,060.12x = 42,098.52 × 8,339.32
  4. Step 4: Simplify right side
    28,060.12x = 351,073,029.81
  5. Step 5: Solve for x
    x = 351,073,029.81/28,060.12
  6. Step 6: Final answer
    x = 12,511.46

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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.