Home / 21,980.64-32,897.52-13,067.04

Finding the Fourth Proportional to 21,980.64, 32,897.52 and 13,067.04

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Solution

The fourth proportional to 21,980.64, 32,897.52 and 13,067.04 is: 19,556.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,980.64 : 32,897.52 = 13,067.04 : x
  2. Step 2: Convert to fraction form
    21,980.64/32,897.52 = 13,067.04/x
  3. Step 3: Cross multiply
    21,980.64x = 32,897.52 × 13,067.04
  4. Step 4: Simplify right side
    21,980.64x = 429,873,209.74
  5. Step 5: Solve for x
    x = 429,873,209.74/21,980.64
  6. Step 6: Final answer
    x = 19,556.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.