Home / 21,080.76-29,041.96-14,695.74

Finding the Fourth Proportional to 21,080.76, 29,041.96 and 14,695.74

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Solution

The fourth proportional to 21,080.76, 29,041.96 and 14,695.74 is: 20,245.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,080.76 : 29,041.96 = 14,695.74 : x
  2. Step 2: Convert to fraction form
    21,080.76/29,041.96 = 14,695.74/x
  3. Step 3: Cross multiply
    21,080.76x = 29,041.96 × 14,695.74
  4. Step 4: Simplify right side
    21,080.76x = 426,793,093.25
  5. Step 5: Solve for x
    x = 426,793,093.25/21,080.76
  6. Step 6: Final answer
    x = 20,245.62

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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.