Home / 27,085-37,381.62-15,904.84

Finding the Fourth Proportional to 27,085, 37,381.62 and 15,904.84

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Solution

The fourth proportional to 27,085, 37,381.62 and 15,904.84 is: 21,951.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,085 : 37,381.62 = 15,904.84 : x
  2. Step 2: Convert to fraction form
    27,085/37,381.62 = 15,904.84/x
  3. Step 3: Cross multiply
    27,085x = 37,381.62 × 15,904.84
  4. Step 4: Simplify right side
    27,085x = 594,548,685.04
  5. Step 5: Solve for x
    x = 594,548,685.04/27,085
  6. Step 6: Final answer
    x = 21,951.22

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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.