Home / 27,555.21-38,026.23-14,979.96

Finding the Fourth Proportional to 27,555.21, 38,026.23 and 14,979.96

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Solution

The fourth proportional to 27,555.21, 38,026.23 and 14,979.96 is: 20,672.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,555.21 : 38,026.23 = 14,979.96 : x
  2. Step 2: Convert to fraction form
    27,555.21/38,026.23 = 14,979.96/x
  3. Step 3: Cross multiply
    27,555.21x = 38,026.23 × 14,979.96
  4. Step 4: Simplify right side
    27,555.21x = 569,631,404.35
  5. Step 5: Solve for x
    x = 569,631,404.35/27,555.21
  6. Step 6: Final answer
    x = 20,672.37

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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.