Home / 19,622.40-27,081.60-14,899.20

Finding the Fourth Proportional to 19,622.40, 27,081.60 and 14,899.20

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Solution

The fourth proportional to 19,622.40, 27,081.60 and 14,899.20 is: 20,562.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,622.40 : 27,081.60 = 14,899.20 : x
  2. Step 2: Convert to fraction form
    19,622.40/27,081.60 = 14,899.20/x
  3. Step 3: Cross multiply
    19,622.40x = 27,081.60 × 14,899.20
  4. Step 4: Simplify right side
    19,622.40x = 403,494,174.72
  5. Step 5: Solve for x
    x = 403,494,174.72/19,622.40
  6. Step 6: Final answer
    x = 20,562.94

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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.