Home / 20,944.60-28,894.28-12,556.24

Finding the Fourth Proportional to 20,944.60, 28,894.28 and 12,556.24

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Solution

The fourth proportional to 20,944.60, 28,894.28 and 12,556.24 is: 17,322.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,944.60 : 28,894.28 = 12,556.24 : x
  2. Step 2: Convert to fraction form
    20,944.60/28,894.28 = 12,556.24/x
  3. Step 3: Cross multiply
    20,944.60x = 28,894.28 × 12,556.24
  4. Step 4: Simplify right side
    20,944.60x = 362,803,514.31
  5. Step 5: Solve for x
    x = 362,803,514.31/20,944.60
  6. Step 6: Final answer
    x = 17,322.06

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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.