Home / 28,677.41-42,999.37-11,126.74

Finding the Fourth Proportional to 28,677.41, 42,999.37 and 11,126.74

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Solution

The fourth proportional to 28,677.41, 42,999.37 and 11,126.74 is: 16,683.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,677.41 : 42,999.37 = 11,126.74 : x
  2. Step 2: Convert to fraction form
    28,677.41/42,999.37 = 11,126.74/x
  3. Step 3: Cross multiply
    28,677.41x = 42,999.37 × 11,126.74
  4. Step 4: Simplify right side
    28,677.41x = 478,442,810.15
  5. Step 5: Solve for x
    x = 478,442,810.15/28,677.41
  6. Step 6: Final answer
    x = 16,683.61

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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.