Home / 25,128.94-37,688.54-23,879.92

Finding the Fourth Proportional to 25,128.94, 37,688.54 and 23,879.92

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Solution

The fourth proportional to 25,128.94, 37,688.54 and 23,879.92 is: 35,815.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,128.94 : 37,688.54 = 23,879.92 : x
  2. Step 2: Convert to fraction form
    25,128.94/37,688.54 = 23,879.92/x
  3. Step 3: Cross multiply
    25,128.94x = 37,688.54 × 23,879.92
  4. Step 4: Simplify right side
    25,128.94x = 899,999,320.12
  5. Step 5: Solve for x
    x = 899,999,320.12/25,128.94
  6. Step 6: Final answer
    x = 35,815.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.