Home / 20,193.83-27,808.69-15,710.03

Finding the Fourth Proportional to 20,193.83, 27,808.69 and 15,710.03

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Solution

The fourth proportional to 20,193.83, 27,808.69 and 15,710.03 is: 21,634.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,193.83 : 27,808.69 = 15,710.03 : x
  2. Step 2: Convert to fraction form
    20,193.83/27,808.69 = 15,710.03/x
  3. Step 3: Cross multiply
    20,193.83x = 27,808.69 × 15,710.03
  4. Step 4: Simplify right side
    20,193.83x = 436,875,354.16
  5. Step 5: Solve for x
    x = 436,875,354.16/20,193.83
  6. Step 6: Final answer
    x = 21,634.10

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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.