Home / 25,422.50-38,112.72-12,088.31

Finding the Fourth Proportional to 25,422.50, 38,112.72 and 12,088.31

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Solution

The fourth proportional to 25,422.50, 38,112.72 and 12,088.31 is: 18,122.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,422.50 : 38,112.72 = 12,088.31 : x
  2. Step 2: Convert to fraction form
    25,422.50/38,112.72 = 12,088.31/x
  3. Step 3: Cross multiply
    25,422.50x = 38,112.72 × 12,088.31
  4. Step 4: Simplify right side
    25,422.50x = 460,718,183.74
  5. Step 5: Solve for x
    x = 460,718,183.74/25,422.50
  6. Step 6: Final answer
    x = 18,122.46

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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.