Home / 19,791.48-27,281.58-14,748

Finding the Fourth Proportional to 19,791.48, 27,281.58 and 14,748

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Solution

The fourth proportional to 19,791.48, 27,281.58 and 14,748 is: 20,329.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,791.48 : 27,281.58 = 14,748 : x
  2. Step 2: Convert to fraction form
    19,791.48/27,281.58 = 14,748/x
  3. Step 3: Cross multiply
    19,791.48x = 27,281.58 × 14,748
  4. Step 4: Simplify right side
    19,791.48x = 402,348,741.84
  5. Step 5: Solve for x
    x = 402,348,741.84/19,791.48
  6. Step 6: Final answer
    x = 20,329.39

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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.