Home / 29,326.76-40,432.86-18,697.94

Finding the Fourth Proportional to 29,326.76, 40,432.86 and 18,697.94

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Solution

The fourth proportional to 29,326.76, 40,432.86 and 18,697.94 is: 25,778.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,326.76 : 40,432.86 = 18,697.94 : x
  2. Step 2: Convert to fraction form
    29,326.76/40,432.86 = 18,697.94/x
  3. Step 3: Cross multiply
    29,326.76x = 40,432.86 × 18,697.94
  4. Step 4: Simplify right side
    29,326.76x = 756,011,190.31
  5. Step 5: Solve for x
    x = 756,011,190.31/29,326.76
  6. Step 6: Final answer
    x = 25,778.89

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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.