Home / 27,381.72-37,786.08-15,444.11

Finding the Fourth Proportional to 27,381.72, 37,786.08 and 15,444.11

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Solution

The fourth proportional to 27,381.72, 37,786.08 and 15,444.11 is: 21,312.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,381.72 : 37,786.08 = 15,444.11 : x
  2. Step 2: Convert to fraction form
    27,381.72/37,786.08 = 15,444.11/x
  3. Step 3: Cross multiply
    27,381.72x = 37,786.08 × 15,444.11
  4. Step 4: Simplify right side
    27,381.72x = 583,572,375.99
  5. Step 5: Solve for x
    x = 583,572,375.99/27,381.72
  6. Step 6: Final answer
    x = 21,312.48

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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.