Home / 29,369.01-40,528.85-15,940.77

Finding the Fourth Proportional to 29,369.01, 40,528.85 and 15,940.77

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Solution

The fourth proportional to 29,369.01, 40,528.85 and 15,940.77 is: 21,998.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,369.01 : 40,528.85 = 15,940.77 : x
  2. Step 2: Convert to fraction form
    29,369.01/40,528.85 = 15,940.77/x
  3. Step 3: Cross multiply
    29,369.01x = 40,528.85 × 15,940.77
  4. Step 4: Simplify right side
    29,369.01x = 646,061,076.21
  5. Step 5: Solve for x
    x = 646,061,076.21/29,369.01
  6. Step 6: Final answer
    x = 21,998.05

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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.