Home / 20,504.24-28,301.40-19,265.20

Finding the Fourth Proportional to 20,504.24, 28,301.40 and 19,265.20

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Solution

The fourth proportional to 20,504.24, 28,301.40 and 19,265.20 is: 26,591.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,504.24 : 28,301.40 = 19,265.20 : x
  2. Step 2: Convert to fraction form
    20,504.24/28,301.40 = 19,265.20/x
  3. Step 3: Cross multiply
    20,504.24x = 28,301.40 × 19,265.20
  4. Step 4: Simplify right side
    20,504.24x = 545,232,131.28
  5. Step 5: Solve for x
    x = 545,232,131.28/20,504.24
  6. Step 6: Final answer
    x = 26,591.19

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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.