Home / 28,785.17-43,115.27-13,962.94

Finding the Fourth Proportional to 28,785.17, 43,115.27 and 13,962.94

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Solution

The fourth proportional to 28,785.17, 43,115.27 and 13,962.94 is: 20,914.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,785.17 : 43,115.27 = 13,962.94 : x
  2. Step 2: Convert to fraction form
    28,785.17/43,115.27 = 13,962.94/x
  3. Step 3: Cross multiply
    28,785.17x = 43,115.27 × 13,962.94
  4. Step 4: Simplify right side
    28,785.17x = 602,015,750.49
  5. Step 5: Solve for x
    x = 602,015,750.49/28,785.17
  6. Step 6: Final answer
    x = 20,914.09

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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.