Home / 53,426.08-80,187.76-28,487.20

Finding the Fourth Proportional to 53,426.08, 80,187.76 and 28,487.20

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Solution

The fourth proportional to 53,426.08, 80,187.76 and 28,487.20 is: 42,756.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,426.08 : 80,187.76 = 28,487.20 : x
  2. Step 2: Convert to fraction form
    53,426.08/80,187.76 = 28,487.20/x
  3. Step 3: Cross multiply
    53,426.08x = 80,187.76 × 28,487.20
  4. Step 4: Simplify right side
    53,426.08x = 2,284,324,756.67
  5. Step 5: Solve for x
    x = 2,284,324,756.67/53,426.08
  6. Step 6: Final answer
    x = 42,756.74

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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.