Home / 21,932.08-30,265.84-13,432.84

Finding the Fourth Proportional to 21,932.08, 30,265.84 and 13,432.84

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Solution

The fourth proportional to 21,932.08, 30,265.84 and 13,432.84 is: 18,537.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,932.08 : 30,265.84 = 13,432.84 : x
  2. Step 2: Convert to fraction form
    21,932.08/30,265.84 = 13,432.84/x
  3. Step 3: Cross multiply
    21,932.08x = 30,265.84 × 13,432.84
  4. Step 4: Simplify right side
    21,932.08x = 406,556,186.19
  5. Step 5: Solve for x
    x = 406,556,186.19/21,932.08
  6. Step 6: Final answer
    x = 18,537.06

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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.