Home / 28,550.14-42,846.24-13,557.32

Finding the Fourth Proportional to 28,550.14, 42,846.24 and 13,557.32

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Solution

The fourth proportional to 28,550.14, 42,846.24 and 13,557.32 is: 20,345.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,550.14 : 42,846.24 = 13,557.32 : x
  2. Step 2: Convert to fraction form
    28,550.14/42,846.24 = 13,557.32/x
  3. Step 3: Cross multiply
    28,550.14x = 42,846.24 × 13,557.32
  4. Step 4: Simplify right side
    28,550.14x = 580,880,186.48
  5. Step 5: Solve for x
    x = 580,880,186.48/28,550.14
  6. Step 6: Final answer
    x = 20,345.97

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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.