Home / 19,002.72-28,633.80-15,615.84

Finding the Fourth Proportional to 19,002.72, 28,633.80 and 15,615.84

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Solution

The fourth proportional to 19,002.72, 28,633.80 and 15,615.84 is: 23,530.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,002.72 : 28,633.80 = 15,615.84 : x
  2. Step 2: Convert to fraction form
    19,002.72/28,633.80 = 15,615.84/x
  3. Step 3: Cross multiply
    19,002.72x = 28,633.80 × 15,615.84
  4. Step 4: Simplify right side
    19,002.72x = 447,140,839.39
  5. Step 5: Solve for x
    x = 447,140,839.39/19,002.72
  6. Step 6: Final answer
    x = 23,530.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.