Home / 26,219.72-36,168.99-15,607.29

Finding the Fourth Proportional to 26,219.72, 36,168.99 and 15,607.29

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Solution

The fourth proportional to 26,219.72, 36,168.99 and 15,607.29 is: 21,529.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,219.72 : 36,168.99 = 15,607.29 : x
  2. Step 2: Convert to fraction form
    26,219.72/36,168.99 = 15,607.29/x
  3. Step 3: Cross multiply
    26,219.72x = 36,168.99 × 15,607.29
  4. Step 4: Simplify right side
    26,219.72x = 564,499,915.94
  5. Step 5: Solve for x
    x = 564,499,915.94/26,219.72
  6. Step 6: Final answer
    x = 21,529.60

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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.