Home / 29,899.53-40,962.54-28,778.49

Finding the Fourth Proportional to 29,899.53, 40,962.54 and 28,778.49

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Solution

The fourth proportional to 29,899.53, 40,962.54 and 28,778.49 is: 39,426.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,899.53 : 40,962.54 = 28,778.49 : x
  2. Step 2: Convert to fraction form
    29,899.53/40,962.54 = 28,778.49/x
  3. Step 3: Cross multiply
    29,899.53x = 40,962.54 × 28,778.49
  4. Step 4: Simplify right side
    29,899.53x = 1,178,840,047.76
  5. Step 5: Solve for x
    x = 1,178,840,047.76/29,899.53
  6. Step 6: Final answer
    x = 39,426.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.