Home / 19,768.76-27,281.58-13,060.28

Finding the Fourth Proportional to 19,768.76, 27,281.58 and 13,060.28

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Solution

The fourth proportional to 19,768.76, 27,281.58 and 13,060.28 is: 18,023.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,768.76 : 27,281.58 = 13,060.28 : x
  2. Step 2: Convert to fraction form
    19,768.76/27,281.58 = 13,060.28/x
  3. Step 3: Cross multiply
    19,768.76x = 27,281.58 × 13,060.28
  4. Step 4: Simplify right side
    19,768.76x = 356,305,073.64
  5. Step 5: Solve for x
    x = 356,305,073.64/19,768.76
  6. Step 6: Final answer
    x = 18,023.64

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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.