Home / 28,626.60-43,055.10-25,631.40

Finding the Fourth Proportional to 28,626.60, 43,055.10 and 25,631.40

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Solution

The fourth proportional to 28,626.60, 43,055.10 and 25,631.40 is: 38,550.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,626.60 : 43,055.10 = 25,631.40 : x
  2. Step 2: Convert to fraction form
    28,626.60/43,055.10 = 25,631.40/x
  3. Step 3: Cross multiply
    28,626.60x = 43,055.10 × 25,631.40
  4. Step 4: Simplify right side
    28,626.60x = 1,103,562,490.14
  5. Step 5: Solve for x
    x = 1,103,562,490.14/28,626.60
  6. Step 6: Final answer
    x = 38,550.25

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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.