Home / 28,201.53-42,302.34-11,558.58

Finding the Fourth Proportional to 28,201.53, 42,302.34 and 11,558.58

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Solution

The fourth proportional to 28,201.53, 42,302.34 and 11,558.58 is: 17,337.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,201.53 : 42,302.34 = 11,558.58 : x
  2. Step 2: Convert to fraction form
    28,201.53/42,302.34 = 11,558.58/x
  3. Step 3: Cross multiply
    28,201.53x = 42,302.34 × 11,558.58
  4. Step 4: Simplify right side
    28,201.53x = 488,954,981.08
  5. Step 5: Solve for x
    x = 488,954,981.08/28,201.53
  6. Step 6: Final answer
    x = 17,337.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.