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Finding the Fourth Proportional to 25,703.87, 35,482.05 and 18,628.92

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Solution

The fourth proportional to 25,703.87, 35,482.05 and 18,628.92 is: 25,715.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,703.87 : 35,482.05 = 18,628.92 : x
  2. Step 2: Convert to fraction form
    25,703.87/35,482.05 = 18,628.92/x
  3. Step 3: Cross multiply
    25,703.87x = 35,482.05 × 18,628.92
  4. Step 4: Simplify right side
    25,703.87x = 660,992,270.89
  5. Step 5: Solve for x
    x = 660,992,270.89/25,703.87
  6. Step 6: Final answer
    x = 25,715.68

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.