Home / 38,327.86-52,891.91-21,332.82

Finding the Fourth Proportional to 38,327.86, 52,891.91 and 21,332.82

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Solution

The fourth proportional to 38,327.86, 52,891.91 and 21,332.82 is: 29,438.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,327.86 : 52,891.91 = 21,332.82 : x
  2. Step 2: Convert to fraction form
    38,327.86/52,891.91 = 21,332.82/x
  3. Step 3: Cross multiply
    38,327.86x = 52,891.91 × 21,332.82
  4. Step 4: Simplify right side
    38,327.86x = 1,128,333,529.65
  5. Step 5: Solve for x
    x = 1,128,333,529.65/38,327.86
  6. Step 6: Final answer
    x = 29,438.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.