Home / 25,837.60-38,756.40-19,276.60

Finding the Fourth Proportional to 25,837.60, 38,756.40 and 19,276.60

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Solution

The fourth proportional to 25,837.60, 38,756.40 and 19,276.60 is: 28,914.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,837.60 : 38,756.40 = 19,276.60 : x
  2. Step 2: Convert to fraction form
    25,837.60/38,756.40 = 19,276.60/x
  3. Step 3: Cross multiply
    25,837.60x = 38,756.40 × 19,276.60
  4. Step 4: Simplify right side
    25,837.60x = 747,091,620.24
  5. Step 5: Solve for x
    x = 747,091,620.24/25,837.60
  6. Step 6: Final answer
    x = 28,914.90

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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.