Home / 29,389.87-40,558.10-15,961.35

Finding the Fourth Proportional to 29,389.87, 40,558.10 and 15,961.35

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Solution

The fourth proportional to 29,389.87, 40,558.10 and 15,961.35 is: 22,026.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,389.87 : 40,558.10 = 15,961.35 : x
  2. Step 2: Convert to fraction form
    29,389.87/40,558.10 = 15,961.35/x
  3. Step 3: Cross multiply
    29,389.87x = 40,558.10 × 15,961.35
  4. Step 4: Simplify right side
    29,389.87x = 647,362,191.50
  5. Step 5: Solve for x
    x = 647,362,191.50/29,389.87
  6. Step 6: Final answer
    x = 22,026.71

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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.