Home / 29,206.58-40,305.09-15,777.86

Finding the Fourth Proportional to 29,206.58, 40,305.09 and 15,777.86

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Solution

The fourth proportional to 29,206.58, 40,305.09 and 15,777.86 is: 21,773.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,206.58 : 40,305.09 = 15,777.86 : x
  2. Step 2: Convert to fraction form
    29,206.58/40,305.09 = 15,777.86/x
  3. Step 3: Cross multiply
    29,206.58x = 40,305.09 × 15,777.86
  4. Step 4: Simplify right side
    29,206.58x = 635,927,924.95
  5. Step 5: Solve for x
    x = 635,927,924.95/29,206.58
  6. Step 6: Final answer
    x = 21,773.45

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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.