Home / 18,954.47-28,456.34-14,575.00

Finding the Fourth Proportional to 18,954.47, 28,456.34 and 14,575.00

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Solution

The fourth proportional to 18,954.47, 28,456.34 and 14,575.00 is: 21,881.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,954.47 : 28,456.34 = 14,575.00 : x
  2. Step 2: Convert to fraction form
    18,954.47/28,456.34 = 14,575.00/x
  3. Step 3: Cross multiply
    18,954.47x = 28,456.34 × 14,575.00
  4. Step 4: Simplify right side
    18,954.47x = 414,751,011.48
  5. Step 5: Solve for x
    x = 414,751,011.48/18,954.47
  6. Step 6: Final answer
    x = 21,881.44

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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.