Home / 20,262.56-27,973.96-15,444.68

Finding the Fourth Proportional to 20,262.56, 27,973.96 and 15,444.68

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Solution

The fourth proportional to 20,262.56, 27,973.96 and 15,444.68 is: 21,322.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,262.56 : 27,973.96 = 15,444.68 : x
  2. Step 2: Convert to fraction form
    20,262.56/27,973.96 = 15,444.68/x
  3. Step 3: Cross multiply
    20,262.56x = 27,973.96 × 15,444.68
  4. Step 4: Simplify right side
    20,262.56x = 432,048,682.05
  5. Step 5: Solve for x
    x = 432,048,682.05/20,262.56
  6. Step 6: Final answer
    x = 21,322.52

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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.