Home / 28,537.40-42,806.10-25,475.60

Finding the Fourth Proportional to 28,537.40, 42,806.10 and 25,475.60

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Solution

The fourth proportional to 28,537.40, 42,806.10 and 25,475.60 is: 38,213.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,537.40 : 42,806.10 = 25,475.60 : x
  2. Step 2: Convert to fraction form
    28,537.40/42,806.10 = 25,475.60/x
  3. Step 3: Cross multiply
    28,537.40x = 42,806.10 × 25,475.60
  4. Step 4: Simplify right side
    28,537.40x = 1,090,511,081.16
  5. Step 5: Solve for x
    x = 1,090,511,081.16/28,537.40
  6. Step 6: Final answer
    x = 38,213.40

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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.