Home / 20,622.37-28,444.18-18,926.35

Finding the Fourth Proportional to 20,622.37, 28,444.18 and 18,926.35

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Solution

The fourth proportional to 20,622.37, 28,444.18 and 18,926.35 is: 26,104.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,622.37 : 28,444.18 = 18,926.35 : x
  2. Step 2: Convert to fraction form
    20,622.37/28,444.18 = 18,926.35/x
  3. Step 3: Cross multiply
    20,622.37x = 28,444.18 × 18,926.35
  4. Step 4: Simplify right side
    20,622.37x = 538,344,506.14
  5. Step 5: Solve for x
    x = 538,344,506.14/20,622.37
  6. Step 6: Final answer
    x = 26,104.88

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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.