Home / 28,761.23-39,690.10-16,014.05

Finding the Fourth Proportional to 28,761.23, 39,690.10 and 16,014.05

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Solution

The fourth proportional to 28,761.23, 39,690.10 and 16,014.05 is: 22,099.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,761.23 : 39,690.10 = 16,014.05 : x
  2. Step 2: Convert to fraction form
    28,761.23/39,690.10 = 16,014.05/x
  3. Step 3: Cross multiply
    28,761.23x = 39,690.10 × 16,014.05
  4. Step 4: Simplify right side
    28,761.23x = 635,599,439.57
  5. Step 5: Solve for x
    x = 635,599,439.57/28,761.23
  6. Step 6: Final answer
    x = 22,099.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.