Home / 27,748.34-38,292.88-15,173.10

Finding the Fourth Proportional to 27,748.34, 38,292.88 and 15,173.10

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Solution

The fourth proportional to 27,748.34, 38,292.88 and 15,173.10 is: 20,938.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,748.34 : 38,292.88 = 15,173.10 : x
  2. Step 2: Convert to fraction form
    27,748.34/38,292.88 = 15,173.10/x
  3. Step 3: Cross multiply
    27,748.34x = 38,292.88 × 15,173.10
  4. Step 4: Simplify right side
    27,748.34x = 581,021,697.53
  5. Step 5: Solve for x
    x = 581,021,697.53/27,748.34
  6. Step 6: Final answer
    x = 20,938.97

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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.