Home / 18,317.00-27,430.72-16,542.09

Finding the Fourth Proportional to 18,317.00, 27,430.72 and 16,542.09

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Solution

The fourth proportional to 18,317.00, 27,430.72 and 16,542.09 is: 24,772.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,317.00 : 27,430.72 = 16,542.09 : x
  2. Step 2: Convert to fraction form
    18,317.00/27,430.72 = 16,542.09/x
  3. Step 3: Cross multiply
    18,317.00x = 27,430.72 × 16,542.09
  4. Step 4: Simplify right side
    18,317.00x = 453,761,397.65
  5. Step 5: Solve for x
    x = 453,761,397.65/18,317.00
  6. Step 6: Final answer
    x = 24,772.69

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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.