Home / 27,944.72-38,563.08-15,369.68

Finding the Fourth Proportional to 27,944.72, 38,563.08 and 15,369.68

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Solution

The fourth proportional to 27,944.72, 38,563.08 and 15,369.68 is: 21,209.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,944.72 : 38,563.08 = 15,369.68 : x
  2. Step 2: Convert to fraction form
    27,944.72/38,563.08 = 15,369.68/x
  3. Step 3: Cross multiply
    27,944.72x = 38,563.08 × 15,369.68
  4. Step 4: Simplify right side
    27,944.72x = 592,702,199.41
  5. Step 5: Solve for x
    x = 592,702,199.41/27,944.72
  6. Step 6: Final answer
    x = 21,209.81

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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.