Home / 27,553.64-38,023.90-14,978.66

Finding the Fourth Proportional to 27,553.64, 38,023.90 and 14,978.66

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Solution

The fourth proportional to 27,553.64, 38,023.90 and 14,978.66 is: 20,670.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,553.64 : 38,023.90 = 14,978.66 : x
  2. Step 2: Convert to fraction form
    27,553.64/38,023.90 = 14,978.66/x
  3. Step 3: Cross multiply
    27,553.64x = 38,023.90 × 14,978.66
  4. Step 4: Simplify right side
    27,553.64x = 569,546,842.41
  5. Step 5: Solve for x
    x = 569,546,842.41/27,553.64
  6. Step 6: Final answer
    x = 20,670.48

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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.