Home / 17,801.68-24,539.88-15,271.60

Finding the Fourth Proportional to 17,801.68, 24,539.88 and 15,271.60

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Solution

The fourth proportional to 17,801.68, 24,539.88 and 15,271.60 is: 21,052.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,801.68 : 24,539.88 = 15,271.60 : x
  2. Step 2: Convert to fraction form
    17,801.68/24,539.88 = 15,271.60/x
  3. Step 3: Cross multiply
    17,801.68x = 24,539.88 × 15,271.60
  4. Step 4: Simplify right side
    17,801.68x = 374,763,231.41
  5. Step 5: Solve for x
    x = 374,763,231.41/17,801.68
  6. Step 6: Final answer
    x = 21,052.13

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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.