Home / 26,752.88-36,915.83-15,422.25

Finding the Fourth Proportional to 26,752.88, 36,915.83 and 15,422.25

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Solution

The fourth proportional to 26,752.88, 36,915.83 and 15,422.25 is: 21,280.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,752.88 : 36,915.83 = 15,422.25 : x
  2. Step 2: Convert to fraction form
    26,752.88/36,915.83 = 15,422.25/x
  3. Step 3: Cross multiply
    26,752.88x = 36,915.83 × 15,422.25
  4. Step 4: Simplify right side
    26,752.88x = 569,325,027.35
  5. Step 5: Solve for x
    x = 569,325,027.35/26,752.88
  6. Step 6: Final answer
    x = 21,280.89

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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.