Home / 20,397.64-30,536.70-15,486.52

Finding the Fourth Proportional to 20,397.64, 30,536.70 and 15,486.52

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Solution

The fourth proportional to 20,397.64, 30,536.70 and 15,486.52 is: 23,184.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,397.64 : 30,536.70 = 15,486.52 : x
  2. Step 2: Convert to fraction form
    20,397.64/30,536.70 = 15,486.52/x
  3. Step 3: Cross multiply
    20,397.64x = 30,536.70 × 15,486.52
  4. Step 4: Simplify right side
    20,397.64x = 472,907,215.28
  5. Step 5: Solve for x
    x = 472,907,215.28/20,397.64
  6. Step 6: Final answer
    x = 23,184.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.