Home / 17,915.57-26,824.04-13,519.70

Finding the Fourth Proportional to 17,915.57, 26,824.04 and 13,519.70

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Solution

The fourth proportional to 17,915.57, 26,824.04 and 13,519.70 is: 20,242.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,915.57 : 26,824.04 = 13,519.70 : x
  2. Step 2: Convert to fraction form
    17,915.57/26,824.04 = 13,519.70/x
  3. Step 3: Cross multiply
    17,915.57x = 26,824.04 × 13,519.70
  4. Step 4: Simplify right side
    17,915.57x = 362,652,973.59
  5. Step 5: Solve for x
    x = 362,652,973.59/17,915.57
  6. Step 6: Final answer
    x = 20,242.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.