Home / 28,328.88-42,487.56-26,923.80

Finding the Fourth Proportional to 28,328.88, 42,487.56 and 26,923.80

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Solution

The fourth proportional to 28,328.88, 42,487.56 and 26,923.80 is: 40,380.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,328.88 : 42,487.56 = 26,923.80 : x
  2. Step 2: Convert to fraction form
    28,328.88/42,487.56 = 26,923.80/x
  3. Step 3: Cross multiply
    28,328.88x = 42,487.56 × 26,923.80
  4. Step 4: Simplify right side
    28,328.88x = 1,143,926,567.93
  5. Step 5: Solve for x
    x = 1,143,926,567.93/28,328.88
  6. Step 6: Final answer
    x = 40,380.23

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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.