Home / 27,755.34-38,301.59-15,179.82

Finding the Fourth Proportional to 27,755.34, 38,301.59 and 15,179.82

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Solution

The fourth proportional to 27,755.34, 38,301.59 and 15,179.82 is: 20,947.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,755.34 : 38,301.59 = 15,179.82 : x
  2. Step 2: Convert to fraction form
    27,755.34/38,301.59 = 15,179.82/x
  3. Step 3: Cross multiply
    27,755.34x = 38,301.59 × 15,179.82
  4. Step 4: Simplify right side
    27,755.34x = 581,411,166.01
  5. Step 5: Solve for x
    x = 581,411,166.01/27,755.34
  6. Step 6: Final answer
    x = 20,947.72

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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.