Home / 22,031.72-30,415.62-16,984.88

Finding the Fourth Proportional to 22,031.72, 30,415.62 and 16,984.88

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Solution

The fourth proportional to 22,031.72, 30,415.62 and 16,984.88 is: 23,448.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,031.72 : 30,415.62 = 16,984.88 : x
  2. Step 2: Convert to fraction form
    22,031.72/30,415.62 = 16,984.88/x
  3. Step 3: Cross multiply
    22,031.72x = 30,415.62 × 16,984.88
  4. Step 4: Simplify right side
    22,031.72x = 516,605,655.83
  5. Step 5: Solve for x
    x = 516,605,655.83/22,031.72
  6. Step 6: Final answer
    x = 23,448.27

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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.