Home / 21,987.28-32,986.04-11,596.24

Finding the Fourth Proportional to 21,987.28, 32,986.04 and 11,596.24

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Solution

The fourth proportional to 21,987.28, 32,986.04 and 11,596.24 is: 17,397.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,987.28 : 32,986.04 = 11,596.24 : x
  2. Step 2: Convert to fraction form
    21,987.28/32,986.04 = 11,596.24/x
  3. Step 3: Cross multiply
    21,987.28x = 32,986.04 × 11,596.24
  4. Step 4: Simplify right side
    21,987.28x = 382,514,036.49
  5. Step 5: Solve for x
    x = 382,514,036.49/21,987.28
  6. Step 6: Final answer
    x = 17,397.06

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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.