Home / 20,022.79-27,630.55-11,525.17

Finding the Fourth Proportional to 20,022.79, 27,630.55 and 11,525.17

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Solution

The fourth proportional to 20,022.79, 27,630.55 and 11,525.17 is: 15,904.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,022.79 : 27,630.55 = 11,525.17 : x
  2. Step 2: Convert to fraction form
    20,022.79/27,630.55 = 11,525.17/x
  3. Step 3: Cross multiply
    20,022.79x = 27,630.55 × 11,525.17
  4. Step 4: Simplify right side
    20,022.79x = 318,446,777.26
  5. Step 5: Solve for x
    x = 318,446,777.26/20,022.79
  6. Step 6: Final answer
    x = 15,904.22

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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.