Home / 25,720.51-38,583.50-8,186.24

Finding the Fourth Proportional to 25,720.51, 38,583.50 and 8,186.24

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Solution

The fourth proportional to 25,720.51, 38,583.50 and 8,186.24 is: 12,280.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,720.51 : 38,583.50 = 8,186.24 : x
  2. Step 2: Convert to fraction form
    25,720.51/38,583.50 = 8,186.24/x
  3. Step 3: Cross multiply
    25,720.51x = 38,583.50 × 8,186.24
  4. Step 4: Simplify right side
    25,720.51x = 315,853,791.04
  5. Step 5: Solve for x
    x = 315,853,791.04/25,720.51
  6. Step 6: Final answer
    x = 12,280.23

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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.