Home / 55,389.72-83,072.16-15,938.04

Finding the Fourth Proportional to 55,389.72, 83,072.16 and 15,938.04

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Solution

The fourth proportional to 55,389.72, 83,072.16 and 15,938.04 is: 23,903.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,389.72 : 83,072.16 = 15,938.04 : x
  2. Step 2: Convert to fraction form
    55,389.72/83,072.16 = 15,938.04/x
  3. Step 3: Cross multiply
    55,389.72x = 83,072.16 × 15,938.04
  4. Step 4: Simplify right side
    55,389.72x = 1,324,007,408.97
  5. Step 5: Solve for x
    x = 1,324,007,408.97/55,389.72
  6. Step 6: Final answer
    x = 23,903.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.