Home / 36,328.80-54,501.30-28,455.60

Finding the Fourth Proportional to 36,328.80, 54,501.30 and 28,455.60

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Solution

The fourth proportional to 36,328.80, 54,501.30 and 28,455.60 is: 42,689.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,328.80 : 54,501.30 = 28,455.60 : x
  2. Step 2: Convert to fraction form
    36,328.80/54,501.30 = 28,455.60/x
  3. Step 3: Cross multiply
    36,328.80x = 54,501.30 × 28,455.60
  4. Step 4: Simplify right side
    36,328.80x = 1,550,867,192.28
  5. Step 5: Solve for x
    x = 1,550,867,192.28/36,328.80
  6. Step 6: Final answer
    x = 42,689.74

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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.