Home / 25,182.64-37,741.65-21,279.88

Finding the Fourth Proportional to 25,182.64, 37,741.65 and 21,279.88

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Solution

The fourth proportional to 25,182.64, 37,741.65 and 21,279.88 is: 31,892.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,182.64 : 37,741.65 = 21,279.88 : x
  2. Step 2: Convert to fraction form
    25,182.64/37,741.65 = 21,279.88/x
  3. Step 3: Cross multiply
    25,182.64x = 37,741.65 × 21,279.88
  4. Step 4: Simplify right side
    25,182.64x = 803,137,783.00
  5. Step 5: Solve for x
    x = 803,137,783.00/25,182.64
  6. Step 6: Final answer
    x = 31,892.52

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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.