Home / 19,765.55-27,282.81-13,057.13

Finding the Fourth Proportional to 19,765.55, 27,282.81 and 13,057.13

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Solution

The fourth proportional to 19,765.55, 27,282.81 and 13,057.13 is: 18,023.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,765.55 : 27,282.81 = 13,057.13 : x
  2. Step 2: Convert to fraction form
    19,765.55/27,282.81 = 13,057.13/x
  3. Step 3: Cross multiply
    19,765.55x = 27,282.81 × 13,057.13
  4. Step 4: Simplify right side
    19,765.55x = 356,235,060.52
  5. Step 5: Solve for x
    x = 356,235,060.52/19,765.55
  6. Step 6: Final answer
    x = 18,023.03

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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.