Home / 15,789.36-23,623.88-14,039.76

Finding the Fourth Proportional to 15,789.36, 23,623.88 and 14,039.76

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Solution

The fourth proportional to 15,789.36, 23,623.88 and 14,039.76 is: 21,006.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,789.36 : 23,623.88 = 14,039.76 : x
  2. Step 2: Convert to fraction form
    15,789.36/23,623.88 = 14,039.76/x
  3. Step 3: Cross multiply
    15,789.36x = 23,623.88 × 14,039.76
  4. Step 4: Simplify right side
    15,789.36x = 331,673,535.27
  5. Step 5: Solve for x
    x = 331,673,535.27/15,789.36
  6. Step 6: Final answer
    x = 21,006.14

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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.