Home / 20,494.24-28,263.12-15,202.24

Finding the Fourth Proportional to 20,494.24, 28,263.12 and 15,202.24

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Solution

The fourth proportional to 20,494.24, 28,263.12 and 15,202.24 is: 20,965.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,494.24 : 28,263.12 = 15,202.24 : x
  2. Step 2: Convert to fraction form
    20,494.24/28,263.12 = 15,202.24/x
  3. Step 3: Cross multiply
    20,494.24x = 28,263.12 × 15,202.24
  4. Step 4: Simplify right side
    20,494.24x = 429,662,733.39
  5. Step 5: Solve for x
    x = 429,662,733.39/20,494.24
  6. Step 6: Final answer
    x = 20,965.05

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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.