Home / 19,275.88-28,962.54-18,498.28

Finding the Fourth Proportional to 19,275.88, 28,962.54 and 18,498.28

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Solution

The fourth proportional to 19,275.88, 28,962.54 and 18,498.28 is: 27,794.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,275.88 : 28,962.54 = 18,498.28 : x
  2. Step 2: Convert to fraction form
    19,275.88/28,962.54 = 18,498.28/x
  3. Step 3: Cross multiply
    19,275.88x = 28,962.54 × 18,498.28
  4. Step 4: Simplify right side
    19,275.88x = 535,757,174.43
  5. Step 5: Solve for x
    x = 535,757,174.43/19,275.88
  6. Step 6: Final answer
    x = 27,794.17

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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.