Home / 25,284.24-37,930.80-8,640.32

Finding the Fourth Proportional to 25,284.24, 37,930.80 and 8,640.32

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Solution

The fourth proportional to 25,284.24, 37,930.80 and 8,640.32 is: 12,962.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,284.24 : 37,930.80 = 8,640.32 : x
  2. Step 2: Convert to fraction form
    25,284.24/37,930.80 = 8,640.32/x
  3. Step 3: Cross multiply
    25,284.24x = 37,930.80 × 8,640.32
  4. Step 4: Simplify right side
    25,284.24x = 327,734,249.86
  5. Step 5: Solve for x
    x = 327,734,249.86/25,284.24
  6. Step 6: Final answer
    x = 12,962.00

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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.