Home / 21,752.22-30,001.40-14,579.88

Finding the Fourth Proportional to 21,752.22, 30,001.40 and 14,579.88

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Solution

The fourth proportional to 21,752.22, 30,001.40 and 14,579.88 is: 20,109.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,752.22 : 30,001.40 = 14,579.88 : x
  2. Step 2: Convert to fraction form
    21,752.22/30,001.40 = 14,579.88/x
  3. Step 3: Cross multiply
    21,752.22x = 30,001.40 × 14,579.88
  4. Step 4: Simplify right side
    21,752.22x = 437,416,811.83
  5. Step 5: Solve for x
    x = 437,416,811.83/21,752.22
  6. Step 6: Final answer
    x = 20,109.07

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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.