Home / 21,080.44-29,064.18-17,289.64

Finding the Fourth Proportional to 21,080.44, 29,064.18 and 17,289.64

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Solution

The fourth proportional to 21,080.44, 29,064.18 and 17,289.64 is: 23,837.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,080.44 : 29,064.18 = 17,289.64 : x
  2. Step 2: Convert to fraction form
    21,080.44/29,064.18 = 17,289.64/x
  3. Step 3: Cross multiply
    21,080.44x = 29,064.18 × 17,289.64
  4. Step 4: Simplify right side
    21,080.44x = 502,509,209.10
  5. Step 5: Solve for x
    x = 502,509,209.10/21,080.44
  6. Step 6: Final answer
    x = 23,837.70

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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.