Home / 25,443.37-38,138.10-8,560.30

Finding the Fourth Proportional to 25,443.37, 38,138.10 and 8,560.30

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Solution

The fourth proportional to 25,443.37, 38,138.10 and 8,560.30 is: 12,831.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,443.37 : 38,138.10 = 8,560.30 : x
  2. Step 2: Convert to fraction form
    25,443.37/38,138.10 = 8,560.30/x
  3. Step 3: Cross multiply
    25,443.37x = 38,138.10 × 8,560.30
  4. Step 4: Simplify right side
    25,443.37x = 326,473,343.94
  5. Step 5: Solve for x
    x = 326,473,343.94/25,443.37
  6. Step 6: Final answer
    x = 12,831.37

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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.