Home / 21,337.26-32,006.04-13,988.25

Finding the Fourth Proportional to 21,337.26, 32,006.04 and 13,988.25

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Solution

The fourth proportional to 21,337.26, 32,006.04 and 13,988.25 is: 20,982.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,337.26 : 32,006.04 = 13,988.25 : x
  2. Step 2: Convert to fraction form
    21,337.26/32,006.04 = 13,988.25/x
  3. Step 3: Cross multiply
    21,337.26x = 32,006.04 × 13,988.25
  4. Step 4: Simplify right side
    21,337.26x = 447,708,489.03
  5. Step 5: Solve for x
    x = 447,708,489.03/21,337.26
  6. Step 6: Final answer
    x = 20,982.47

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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.