Home / 25,329.86-34,954.18-13,999.23

Finding the Fourth Proportional to 25,329.86, 34,954.18 and 13,999.23

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Solution

The fourth proportional to 25,329.86, 34,954.18 and 13,999.23 is: 19,318.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,329.86 : 34,954.18 = 13,999.23 : x
  2. Step 2: Convert to fraction form
    25,329.86/34,954.18 = 13,999.23/x
  3. Step 3: Cross multiply
    25,329.86x = 34,954.18 × 13,999.23
  4. Step 4: Simplify right side
    25,329.86x = 489,331,649.03
  5. Step 5: Solve for x
    x = 489,331,649.03/25,329.86
  6. Step 6: Final answer
    x = 19,318.37

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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.