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Finding the Fourth Proportional to 25,323.60, 37,985.40 and 8,681.40

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Solution

The fourth proportional to 25,323.60, 37,985.40 and 8,681.40 is: 13,022.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,323.60 : 37,985.40 = 8,681.40 : x
  2. Step 2: Convert to fraction form
    25,323.60/37,985.40 = 8,681.40/x
  3. Step 3: Cross multiply
    25,323.60x = 37,985.40 × 8,681.40
  4. Step 4: Simplify right side
    25,323.60x = 329,766,451.56
  5. Step 5: Solve for x
    x = 329,766,451.56/25,323.60
  6. Step 6: Final answer
    x = 13,022.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.