Home / 29,205.35-40,303.35-15,776.60

Finding the Fourth Proportional to 29,205.35, 40,303.35 and 15,776.60

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Solution

The fourth proportional to 29,205.35, 40,303.35 and 15,776.60 is: 21,771.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,205.35 : 40,303.35 = 15,776.60 : x
  2. Step 2: Convert to fraction form
    29,205.35/40,303.35 = 15,776.60/x
  3. Step 3: Cross multiply
    29,205.35x = 40,303.35 × 15,776.60
  4. Step 4: Simplify right side
    29,205.35x = 635,849,630.09
  5. Step 5: Solve for x
    x = 635,849,630.09/29,205.35
  6. Step 6: Final answer
    x = 21,771.68

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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.