Home / 21,080.20-29,092.08-14,001.88

Finding the Fourth Proportional to 21,080.20, 29,092.08 and 14,001.88

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Solution

The fourth proportional to 21,080.20, 29,092.08 and 14,001.88 is: 19,323.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,080.20 : 29,092.08 = 14,001.88 : x
  2. Step 2: Convert to fraction form
    21,080.20/29,092.08 = 14,001.88/x
  3. Step 3: Cross multiply
    21,080.20x = 29,092.08 × 14,001.88
  4. Step 4: Simplify right side
    21,080.20x = 407,343,813.11
  5. Step 5: Solve for x
    x = 407,343,813.11/21,080.20
  6. Step 6: Final answer
    x = 19,323.53

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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.