Home / 28,727.70-43,095.60-9,004.20

Finding the Fourth Proportional to 28,727.70, 43,095.60 and 9,004.20

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Solution

The fourth proportional to 28,727.70, 43,095.60 and 9,004.20 is: 13,507.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,727.70 : 43,095.60 = 9,004.20 : x
  2. Step 2: Convert to fraction form
    28,727.70/43,095.60 = 9,004.20/x
  3. Step 3: Cross multiply
    28,727.70x = 43,095.60 × 9,004.20
  4. Step 4: Simplify right side
    28,727.70x = 388,041,401.52
  5. Step 5: Solve for x
    x = 388,041,401.52/28,727.70
  6. Step 6: Final answer
    x = 13,507.57

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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.