Home / 25,278.49-37,917.74-8,630.16

Finding the Fourth Proportional to 25,278.49, 37,917.74 and 8,630.16

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Solution

The fourth proportional to 25,278.49, 37,917.74 and 8,630.16 is: 12,945.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,278.49 : 37,917.74 = 8,630.16 : x
  2. Step 2: Convert to fraction form
    25,278.49/37,917.74 = 8,630.16/x
  3. Step 3: Cross multiply
    25,278.49x = 37,917.74 × 8,630.16
  4. Step 4: Simplify right side
    25,278.49x = 327,236,163.04
  5. Step 5: Solve for x
    x = 327,236,163.04/25,278.49
  6. Step 6: Final answer
    x = 12,945.24

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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.