Home / 28,815.60-43,223.40-25,535.10

Finding the Fourth Proportional to 28,815.60, 43,223.40 and 25,535.10

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Solution

The fourth proportional to 28,815.60, 43,223.40 and 25,535.10 is: 38,302.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,815.60 : 43,223.40 = 25,535.10 : x
  2. Step 2: Convert to fraction form
    28,815.60/43,223.40 = 25,535.10/x
  3. Step 3: Cross multiply
    28,815.60x = 43,223.40 × 25,535.10
  4. Step 4: Simplify right side
    28,815.60x = 1,103,713,841.34
  5. Step 5: Solve for x
    x = 1,103,713,841.34/28,815.60
  6. Step 6: Final answer
    x = 38,302.65

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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.