Home / 27,553.44-38,023.80-14,978.16

Finding the Fourth Proportional to 27,553.44, 38,023.80 and 14,978.16

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Solution

The fourth proportional to 27,553.44, 38,023.80 and 14,978.16 is: 20,669.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,553.44 : 38,023.80 = 14,978.16 : x
  2. Step 2: Convert to fraction form
    27,553.44/38,023.80 = 14,978.16/x
  3. Step 3: Cross multiply
    27,553.44x = 38,023.80 × 14,978.16
  4. Step 4: Simplify right side
    27,553.44x = 569,526,560.21
  5. Step 5: Solve for x
    x = 569,526,560.21/27,553.44
  6. Step 6: Final answer
    x = 20,669.89

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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.