Home / 19,867.87-27,395.22-14,480.79

Finding the Fourth Proportional to 19,867.87, 27,395.22 and 14,480.79

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Solution

The fourth proportional to 19,867.87, 27,395.22 and 14,480.79 is: 19,967.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,867.87 : 27,395.22 = 14,480.79 : x
  2. Step 2: Convert to fraction form
    19,867.87/27,395.22 = 14,480.79/x
  3. Step 3: Cross multiply
    19,867.87x = 27,395.22 × 14,480.79
  4. Step 4: Simplify right side
    19,867.87x = 396,704,427.82
  5. Step 5: Solve for x
    x = 396,704,427.82/19,867.87
  6. Step 6: Final answer
    x = 19,967.13

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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.