Home / 28,910.80-43,345.18-19,527.56

Finding the Fourth Proportional to 28,910.80, 43,345.18 and 19,527.56

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Solution

The fourth proportional to 28,910.80, 43,345.18 and 19,527.56 is: 29,277.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,910.80 : 43,345.18 = 19,527.56 : x
  2. Step 2: Convert to fraction form
    28,910.80/43,345.18 = 19,527.56/x
  3. Step 3: Cross multiply
    28,910.80x = 43,345.18 × 19,527.56
  4. Step 4: Simplify right side
    28,910.80x = 846,425,603.16
  5. Step 5: Solve for x
    x = 846,425,603.16/28,910.80
  6. Step 6: Final answer
    x = 29,277.14

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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.