Home / 29,513.25-40,728.29-16,938.81

Finding the Fourth Proportional to 29,513.25, 40,728.29 and 16,938.81

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Solution

The fourth proportional to 29,513.25, 40,728.29 and 16,938.81 is: 23,375.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,513.25 : 40,728.29 = 16,938.81 : x
  2. Step 2: Convert to fraction form
    29,513.25/40,728.29 = 16,938.81/x
  3. Step 3: Cross multiply
    29,513.25x = 40,728.29 × 16,938.81
  4. Step 4: Simplify right side
    29,513.25x = 689,888,681.24
  5. Step 5: Solve for x
    x = 689,888,681.24/29,513.25
  6. Step 6: Final answer
    x = 23,375.56

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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.