Home / 29,622.72-40,874.88-19,013.76

Finding the Fourth Proportional to 29,622.72, 40,874.88 and 19,013.76

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Solution

The fourth proportional to 29,622.72, 40,874.88 and 19,013.76 is: 26,236.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,622.72 : 40,874.88 = 19,013.76 : x
  2. Step 2: Convert to fraction form
    29,622.72/40,874.88 = 19,013.76/x
  3. Step 3: Cross multiply
    29,622.72x = 40,874.88 × 19,013.76
  4. Step 4: Simplify right side
    29,622.72x = 777,185,158.35
  5. Step 5: Solve for x
    x = 777,185,158.35/29,622.72
  6. Step 6: Final answer
    x = 26,236.12

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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.