Home / 20,017.52-27,623.68-11,064.79

Finding the Fourth Proportional to 20,017.52, 27,623.68 and 11,064.79

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Solution

The fourth proportional to 20,017.52, 27,623.68 and 11,064.79 is: 15,269.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,017.52 : 27,623.68 = 11,064.79 : x
  2. Step 2: Convert to fraction form
    20,017.52/27,623.68 = 11,064.79/x
  3. Step 3: Cross multiply
    20,017.52x = 27,623.68 × 11,064.79
  4. Step 4: Simplify right side
    20,017.52x = 305,650,080.11
  5. Step 5: Solve for x
    x = 305,650,080.11/20,017.52
  6. Step 6: Final answer
    x = 15,269.13

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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.