Home / 28,360.17-42,546.61-8,640.27

Finding the Fourth Proportional to 28,360.17, 42,546.61 and 8,640.27

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Solution

The fourth proportional to 28,360.17, 42,546.61 and 8,640.27 is: 12,962.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,360.17 : 42,546.61 = 8,640.27 : x
  2. Step 2: Convert to fraction form
    28,360.17/42,546.61 = 8,640.27/x
  3. Step 3: Cross multiply
    28,360.17x = 42,546.61 × 8,640.27
  4. Step 4: Simplify right side
    28,360.17x = 367,614,197.98
  5. Step 5: Solve for x
    x = 367,614,197.98/28,360.17
  6. Step 6: Final answer
    x = 12,962.34

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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.