Home / 20,080.31-27,680.13-14,095.22

Finding the Fourth Proportional to 20,080.31, 27,680.13 and 14,095.22

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Solution

The fourth proportional to 20,080.31, 27,680.13 and 14,095.22 is: 19,429.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,080.31 : 27,680.13 = 14,095.22 : x
  2. Step 2: Convert to fraction form
    20,080.31/27,680.13 = 14,095.22/x
  3. Step 3: Cross multiply
    20,080.31x = 27,680.13 × 14,095.22
  4. Step 4: Simplify right side
    20,080.31x = 390,157,383.58
  5. Step 5: Solve for x
    x = 390,157,383.58/20,080.31
  6. Step 6: Final answer
    x = 19,429.85

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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.