Home / 56,277.20-84,260.28-28,439.12

Finding the Fourth Proportional to 56,277.20, 84,260.28 and 28,439.12

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Solution

The fourth proportional to 56,277.20, 84,260.28 and 28,439.12 is: 42,580.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,277.20 : 84,260.28 = 28,439.12 : x
  2. Step 2: Convert to fraction form
    56,277.20/84,260.28 = 28,439.12/x
  3. Step 3: Cross multiply
    56,277.20x = 84,260.28 × 28,439.12
  4. Step 4: Simplify right side
    56,277.20x = 2,396,288,214.15
  5. Step 5: Solve for x
    x = 2,396,288,214.15/56,277.20
  6. Step 6: Final answer
    x = 42,580.09

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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.