Home / 29,455.20-40,647.78-16,026.30

Finding the Fourth Proportional to 29,455.20, 40,647.78 and 16,026.30

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Solution

The fourth proportional to 29,455.20, 40,647.78 and 16,026.30 is: 22,116.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,455.20 : 40,647.78 = 16,026.30 : x
  2. Step 2: Convert to fraction form
    29,455.20/40,647.78 = 16,026.30/x
  3. Step 3: Cross multiply
    29,455.20x = 40,647.78 × 16,026.30
  4. Step 4: Simplify right side
    29,455.20x = 651,433,516.61
  5. Step 5: Solve for x
    x = 651,433,516.61/29,455.20
  6. Step 6: Final answer
    x = 22,116.08

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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.