Home / 25,004.65-34,505.02-13,671.89

Finding the Fourth Proportional to 25,004.65, 34,505.02 and 13,671.89

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Solution

The fourth proportional to 25,004.65, 34,505.02 and 13,671.89 is: 18,866.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,004.65 : 34,505.02 = 13,671.89 : x
  2. Step 2: Convert to fraction form
    25,004.65/34,505.02 = 13,671.89/x
  3. Step 3: Cross multiply
    25,004.65x = 34,505.02 × 13,671.89
  4. Step 4: Simplify right side
    25,004.65x = 471,748,811.85
  5. Step 5: Solve for x
    x = 471,748,811.85/25,004.65
  6. Step 6: Final answer
    x = 18,866.44

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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.