Home / 28,756.09-43,135.95-9,035.43

Finding the Fourth Proportional to 28,756.09, 43,135.95 and 9,035.43

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Solution

The fourth proportional to 28,756.09, 43,135.95 and 9,035.43 is: 13,553.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,756.09 : 43,135.95 = 9,035.43 : x
  2. Step 2: Convert to fraction form
    28,756.09/43,135.95 = 9,035.43/x
  3. Step 3: Cross multiply
    28,756.09x = 43,135.95 × 9,035.43
  4. Step 4: Simplify right side
    28,756.09x = 389,751,856.71
  5. Step 5: Solve for x
    x = 389,751,856.71/28,756.09
  6. Step 6: Final answer
    x = 13,553.72

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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.