Home / 30,926.84-42,650.88-26,156.78

Finding the Fourth Proportional to 30,926.84, 42,650.88 and 26,156.78

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Solution

The fourth proportional to 30,926.84, 42,650.88 and 26,156.78 is: 36,072.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,926.84 : 42,650.88 = 26,156.78 : x
  2. Step 2: Convert to fraction form
    30,926.84/42,650.88 = 26,156.78/x
  3. Step 3: Cross multiply
    30,926.84x = 42,650.88 × 26,156.78
  4. Step 4: Simplify right side
    30,926.84x = 1,115,609,684.97
  5. Step 5: Solve for x
    x = 1,115,609,684.97/30,926.84
  6. Step 6: Final answer
    x = 36,072.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.