Home / 28,945.85-39,953.13-17,013.02

Finding the Fourth Proportional to 28,945.85, 39,953.13 and 17,013.02

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Solution

The fourth proportional to 28,945.85, 39,953.13 and 17,013.02 is: 23,482.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,945.85 : 39,953.13 = 17,013.02 : x
  2. Step 2: Convert to fraction form
    28,945.85/39,953.13 = 17,013.02/x
  3. Step 3: Cross multiply
    28,945.85x = 39,953.13 × 17,013.02
  4. Step 4: Simplify right side
    28,945.85x = 679,723,399.75
  5. Step 5: Solve for x
    x = 679,723,399.75/28,945.85
  6. Step 6: Final answer
    x = 23,482.59

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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.