Home / 19,208.48-28,736.91-14,542.07

Finding the Fourth Proportional to 19,208.48, 28,736.91 and 14,542.07

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Solution

The fourth proportional to 19,208.48, 28,736.91 and 14,542.07 is: 21,755.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,208.48 : 28,736.91 = 14,542.07 : x
  2. Step 2: Convert to fraction form
    19,208.48/28,736.91 = 14,542.07/x
  3. Step 3: Cross multiply
    19,208.48x = 28,736.91 × 14,542.07
  4. Step 4: Simplify right side
    19,208.48x = 417,894,013.12
  5. Step 5: Solve for x
    x = 417,894,013.12/19,208.48
  6. Step 6: Final answer
    x = 21,755.71

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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.