Home / 25,379.04-34,999.80-21,792.77

Finding the Fourth Proportional to 25,379.04, 34,999.80 and 21,792.77

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Solution

The fourth proportional to 25,379.04, 34,999.80 and 21,792.77 is: 30,054.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,379.04 : 34,999.80 = 21,792.77 : x
  2. Step 2: Convert to fraction form
    25,379.04/34,999.80 = 21,792.77/x
  3. Step 3: Cross multiply
    25,379.04x = 34,999.80 × 21,792.77
  4. Step 4: Simplify right side
    25,379.04x = 762,742,591.45
  5. Step 5: Solve for x
    x = 762,742,591.45/25,379.04
  6. Step 6: Final answer
    x = 30,054.04

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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.