Home / 28,935.54-43,403.31-9,220.14

Finding the Fourth Proportional to 28,935.54, 43,403.31 and 9,220.14

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Solution

The fourth proportional to 28,935.54, 43,403.31 and 9,220.14 is: 13,830.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,935.54 : 43,403.31 = 9,220.14 : x
  2. Step 2: Convert to fraction form
    28,935.54/43,403.31 = 9,220.14/x
  3. Step 3: Cross multiply
    28,935.54x = 43,403.31 × 9,220.14
  4. Step 4: Simplify right side
    28,935.54x = 400,184,594.66
  5. Step 5: Solve for x
    x = 400,184,594.66/28,935.54
  6. Step 6: Final answer
    x = 13,830.21

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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.