Home / 28,727.40-42,993.90-25,228.20

Finding the Fourth Proportional to 28,727.40, 42,993.90 and 25,228.20

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Solution

The fourth proportional to 28,727.40, 42,993.90 and 25,228.20 is: 37,756.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,727.40 : 42,993.90 = 25,228.20 : x
  2. Step 2: Convert to fraction form
    28,727.40/42,993.90 = 25,228.20/x
  3. Step 3: Cross multiply
    28,727.40x = 42,993.90 × 25,228.20
  4. Step 4: Simplify right side
    28,727.40x = 1,084,658,707.98
  5. Step 5: Solve for x
    x = 1,084,658,707.98/28,727.40
  6. Step 6: Final answer
    x = 37,756.94

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1.5x scale

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.