Home / 43,292.57-64,945.32-15,207.66

Finding the Fourth Proportional to 43,292.57, 64,945.32 and 15,207.66

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Solution

The fourth proportional to 43,292.57, 64,945.32 and 15,207.66 is: 22,813.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,292.57 : 64,945.32 = 15,207.66 : x
  2. Step 2: Convert to fraction form
    43,292.57/64,945.32 = 15,207.66/x
  3. Step 3: Cross multiply
    43,292.57x = 64,945.32 × 15,207.66
  4. Step 4: Simplify right side
    43,292.57x = 987,666,345.15
  5. Step 5: Solve for x
    x = 987,666,345.15/43,292.57
  6. Step 6: Final answer
    x = 22,813.76

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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.