Home / 27,915.93-38,526.35-15,343.29

Finding the Fourth Proportional to 27,915.93, 38,526.35 and 15,343.29

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Solution

The fourth proportional to 27,915.93, 38,526.35 and 15,343.29 is: 21,175.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,915.93 : 38,526.35 = 15,343.29 : x
  2. Step 2: Convert to fraction form
    27,915.93/38,526.35 = 15,343.29/x
  3. Step 3: Cross multiply
    27,915.93x = 38,526.35 × 15,343.29
  4. Step 4: Simplify right side
    27,915.93x = 591,120,883.98
  5. Step 5: Solve for x
    x = 591,120,883.98/27,915.93
  6. Step 6: Final answer
    x = 21,175.04

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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.