Home / 29,639.77-40,902.78-16,027.72

Finding the Fourth Proportional to 29,639.77, 40,902.78 and 16,027.72

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Solution

The fourth proportional to 29,639.77, 40,902.78 and 16,027.72 is: 22,118.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,639.77 : 40,902.78 = 16,027.72 : x
  2. Step 2: Convert to fraction form
    29,639.77/40,902.78 = 16,027.72/x
  3. Step 3: Cross multiply
    29,639.77x = 40,902.78 × 16,027.72
  4. Step 4: Simplify right side
    29,639.77x = 655,578,305.06
  5. Step 5: Solve for x
    x = 655,578,305.06/29,639.77
  6. Step 6: Final answer
    x = 22,118.20

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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.