Home / 26,625.42-39,938.16-12,586.86

Finding the Fourth Proportional to 26,625.42, 39,938.16 and 12,586.86

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Solution

The fourth proportional to 26,625.42, 39,938.16 and 12,586.86 is: 18,880.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,625.42 : 39,938.16 = 12,586.86 : x
  2. Step 2: Convert to fraction form
    26,625.42/39,938.16 = 12,586.86/x
  3. Step 3: Cross multiply
    26,625.42x = 39,938.16 × 12,586.86
  4. Step 4: Simplify right side
    26,625.42x = 502,696,028.58
  5. Step 5: Solve for x
    x = 502,696,028.58/26,625.42
  6. Step 6: Final answer
    x = 18,880.30

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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.