Home / 25,310.32-38,004.50-21,412.79

Finding the Fourth Proportional to 25,310.32, 38,004.50 and 21,412.79

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Solution

The fourth proportional to 25,310.32, 38,004.50 and 21,412.79 is: 32,152.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,310.32 : 38,004.50 = 21,412.79 : x
  2. Step 2: Convert to fraction form
    25,310.32/38,004.50 = 21,412.79/x
  3. Step 3: Cross multiply
    25,310.32x = 38,004.50 × 21,412.79
  4. Step 4: Simplify right side
    25,310.32x = 813,782,270.49
  5. Step 5: Solve for x
    x = 813,782,270.49/25,310.32
  6. Step 6: Final answer
    x = 32,152.19

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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.