Home / 28,657.80-39,637.62-25,345.80

Finding the Fourth Proportional to 28,657.80, 39,637.62 and 25,345.80

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Solution

The fourth proportional to 28,657.80, 39,637.62 and 25,345.80 is: 35,056.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,657.80 : 39,637.62 = 25,345.80 : x
  2. Step 2: Convert to fraction form
    28,657.80/39,637.62 = 25,345.80/x
  3. Step 3: Cross multiply
    28,657.80x = 39,637.62 × 25,345.80
  4. Step 4: Simplify right side
    28,657.80x = 1,004,647,189.00
  5. Step 5: Solve for x
    x = 1,004,647,189.00/28,657.80
  6. Step 6: Final answer
    x = 35,056.68

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1.5x scale

Why These Related Problems?

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