Home / 21,829.94-30,101.48-14,744.06

Finding the Fourth Proportional to 21,829.94, 30,101.48 and 14,744.06

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Solution

The fourth proportional to 21,829.94, 30,101.48 and 14,744.06 is: 20,330.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,829.94 : 30,101.48 = 14,744.06 : x
  2. Step 2: Convert to fraction form
    21,829.94/30,101.48 = 14,744.06/x
  3. Step 3: Cross multiply
    21,829.94x = 30,101.48 × 14,744.06
  4. Step 4: Simplify right side
    21,829.94x = 443,818,027.21
  5. Step 5: Solve for x
    x = 443,818,027.21/21,829.94
  6. Step 6: Final answer
    x = 20,330.70

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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.