Home / 26,529.88-36,612.30-15,915.64

Finding the Fourth Proportional to 26,529.88, 36,612.30 and 15,915.64

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Solution

The fourth proportional to 26,529.88, 36,612.30 and 15,915.64 is: 21,964.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,529.88 : 36,612.30 = 15,915.64 : x
  2. Step 2: Convert to fraction form
    26,529.88/36,612.30 = 15,915.64/x
  3. Step 3: Cross multiply
    26,529.88x = 36,612.30 × 15,915.64
  4. Step 4: Simplify right side
    26,529.88x = 582,708,186.37
  5. Step 5: Solve for x
    x = 582,708,186.37/26,529.88
  6. Step 6: Final answer
    x = 21,964.22

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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.