Home / 25,666.32-38,500.58-8,135.76

Finding the Fourth Proportional to 25,666.32, 38,500.58 and 8,135.76

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Solution

The fourth proportional to 25,666.32, 38,500.58 and 8,135.76 is: 12,203.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,666.32 : 38,500.58 = 8,135.76 : x
  2. Step 2: Convert to fraction form
    25,666.32/38,500.58 = 8,135.76/x
  3. Step 3: Cross multiply
    25,666.32x = 38,500.58 × 8,135.76
  4. Step 4: Simplify right side
    25,666.32x = 313,231,478.74
  5. Step 5: Solve for x
    x = 313,231,478.74/25,666.32
  6. Step 6: Final answer
    x = 12,203.99

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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.