Home / 27,553.60-38,022.91-14,978.35

Finding the Fourth Proportional to 27,553.60, 38,022.91 and 14,978.35

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Solution

The fourth proportional to 27,553.60, 38,022.91 and 14,978.35 is: 20,669.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,553.60 : 38,022.91 = 14,978.35 : x
  2. Step 2: Convert to fraction form
    27,553.60/38,022.91 = 14,978.35/x
  3. Step 3: Cross multiply
    27,553.60x = 38,022.91 × 14,978.35
  4. Step 4: Simplify right side
    27,553.60x = 569,520,454.00
  5. Step 5: Solve for x
    x = 569,520,454.00/27,553.60
  6. Step 6: Final answer
    x = 20,669.55

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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.