Home / 19,079.80-28,588.38-18,350.80

Finding the Fourth Proportional to 19,079.80, 28,588.38 and 18,350.80

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Solution

The fourth proportional to 19,079.80, 28,588.38 and 18,350.80 is: 27,496.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,079.80 : 28,588.38 = 18,350.80 : x
  2. Step 2: Convert to fraction form
    19,079.80/28,588.38 = 18,350.80/x
  3. Step 3: Cross multiply
    19,079.80x = 28,588.38 × 18,350.80
  4. Step 4: Simplify right side
    19,079.80x = 524,619,643.70
  5. Step 5: Solve for x
    x = 524,619,643.70/19,079.80
  6. Step 6: Final answer
    x = 27,496.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.