Home / 28,935.01-43,357.84-19,538.20

Finding the Fourth Proportional to 28,935.01, 43,357.84 and 19,538.20

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Solution

The fourth proportional to 28,935.01, 43,357.84 and 19,538.20 is: 29,277.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,935.01 : 43,357.84 = 19,538.20 : x
  2. Step 2: Convert to fraction form
    28,935.01/43,357.84 = 19,538.20/x
  3. Step 3: Cross multiply
    28,935.01x = 43,357.84 × 19,538.20
  4. Step 4: Simplify right side
    28,935.01x = 847,134,149.49
  5. Step 5: Solve for x
    x = 847,134,149.49/28,935.01
  6. Step 6: Final answer
    x = 29,277.13

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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.