Home / 28,081.53-42,101.51-13,273.16

Finding the Fourth Proportional to 28,081.53, 42,101.51 and 13,273.16

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Solution

The fourth proportional to 28,081.53, 42,101.51 and 13,273.16 is: 19,899.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,081.53 : 42,101.51 = 13,273.16 : x
  2. Step 2: Convert to fraction form
    28,081.53/42,101.51 = 13,273.16/x
  3. Step 3: Cross multiply
    28,081.53x = 42,101.51 × 13,273.16
  4. Step 4: Simplify right side
    28,081.53x = 558,819,801.60
  5. Step 5: Solve for x
    x = 558,819,801.60/28,081.53
  6. Step 6: Final answer
    x = 19,899.91

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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.