Home / 25,887.08-38,820.78-8,354.28

Finding the Fourth Proportional to 25,887.08, 38,820.78 and 8,354.28

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Solution

The fourth proportional to 25,887.08, 38,820.78 and 8,354.28 is: 12,528.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,887.08 : 38,820.78 = 8,354.28 : x
  2. Step 2: Convert to fraction form
    25,887.08/38,820.78 = 8,354.28/x
  3. Step 3: Cross multiply
    25,887.08x = 38,820.78 × 8,354.28
  4. Step 4: Simplify right side
    25,887.08x = 324,319,665.94
  5. Step 5: Solve for x
    x = 324,319,665.94/25,887.08
  6. Step 6: Final answer
    x = 12,528.24

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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.