Home / 28,523.40-42,790.77-14,491.32

Finding the Fourth Proportional to 28,523.40, 42,790.77 and 14,491.32

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Solution

The fourth proportional to 28,523.40, 42,790.77 and 14,491.32 is: 21,739.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,523.40 : 42,790.77 = 14,491.32 : x
  2. Step 2: Convert to fraction form
    28,523.40/42,790.77 = 14,491.32/x
  3. Step 3: Cross multiply
    28,523.40x = 42,790.77 × 14,491.32
  4. Step 4: Simplify right side
    28,523.40x = 620,094,741.12
  5. Step 5: Solve for x
    x = 620,094,741.12/28,523.40
  6. Step 6: Final answer
    x = 21,739.86

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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.