Home / 25,315.65-34,930.08-14,699.61

Finding the Fourth Proportional to 25,315.65, 34,930.08 and 14,699.61

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Solution

The fourth proportional to 25,315.65, 34,930.08 and 14,699.61 is: 20,282.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,315.65 : 34,930.08 = 14,699.61 : x
  2. Step 2: Convert to fraction form
    25,315.65/34,930.08 = 14,699.61/x
  3. Step 3: Cross multiply
    25,315.65x = 34,930.08 × 14,699.61
  4. Step 4: Simplify right side
    25,315.65x = 513,458,553.27
  5. Step 5: Solve for x
    x = 513,458,553.27/25,315.65
  6. Step 6: Final answer
    x = 20,282.26

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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.