Home / 28,677.70-42,996.90-14,610.49

Finding the Fourth Proportional to 28,677.70, 42,996.90 and 14,610.49

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Solution

The fourth proportional to 28,677.70, 42,996.90 and 14,610.49 is: 21,905.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,677.70 : 42,996.90 = 14,610.49 : x
  2. Step 2: Convert to fraction form
    28,677.70/42,996.90 = 14,610.49/x
  3. Step 3: Cross multiply
    28,677.70x = 42,996.90 × 14,610.49
  4. Step 4: Simplify right side
    28,677.70x = 628,205,777.48
  5. Step 5: Solve for x
    x = 628,205,777.48/28,677.70
  6. Step 6: Final answer
    x = 21,905.72

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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.