Home / 28,945.86-39,953.14-17,013.02

Finding the Fourth Proportional to 28,945.86, 39,953.14 and 17,013.02

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Solution

The fourth proportional to 28,945.86, 39,953.14 and 17,013.02 is: 23,482.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,945.86 : 39,953.14 = 17,013.02 : x
  2. Step 2: Convert to fraction form
    28,945.86/39,953.14 = 17,013.02/x
  3. Step 3: Cross multiply
    28,945.86x = 39,953.14 × 17,013.02
  4. Step 4: Simplify right side
    28,945.86x = 679,723,569.88
  5. Step 5: Solve for x
    x = 679,723,569.88/28,945.86
  6. Step 6: Final answer
    x = 23,482.58

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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.