Home / 27,915.35-38,521.91-17,305.97

Finding the Fourth Proportional to 27,915.35, 38,521.91 and 17,305.97

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Solution

The fourth proportional to 27,915.35, 38,521.91 and 17,305.97 is: 23,881.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,915.35 : 38,521.91 = 17,305.97 : x
  2. Step 2: Convert to fraction form
    27,915.35/38,521.91 = 17,305.97/x
  3. Step 3: Cross multiply
    27,915.35x = 38,521.91 × 17,305.97
  4. Step 4: Simplify right side
    27,915.35x = 666,658,869.46
  5. Step 5: Solve for x
    x = 666,658,869.46/27,915.35
  6. Step 6: Final answer
    x = 23,881.45

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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.