Home / 21,826.49-30,112.65-14,277.12

Finding the Fourth Proportional to 21,826.49, 30,112.65 and 14,277.12

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Solution

The fourth proportional to 21,826.49, 30,112.65 and 14,277.12 is: 19,697.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,826.49 : 30,112.65 = 14,277.12 : x
  2. Step 2: Convert to fraction form
    21,826.49/30,112.65 = 14,277.12/x
  3. Step 3: Cross multiply
    21,826.49x = 30,112.65 × 14,277.12
  4. Step 4: Simplify right side
    21,826.49x = 429,921,917.57
  5. Step 5: Solve for x
    x = 429,921,917.57/21,826.49
  6. Step 6: Final answer
    x = 19,697.26

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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.