Home / 28,091.74-42,102.51-14,055.79

Finding the Fourth Proportional to 28,091.74, 42,102.51 and 14,055.79

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Solution

The fourth proportional to 28,091.74, 42,102.51 and 14,055.79 is: 21,066.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    28,091.74 : 42,102.51 = 14,055.79 : x
  2. Step 2: Convert to fraction form
    28,091.74/42,102.51 = 14,055.79/x
  3. Step 3: Cross multiply
    28,091.74x = 42,102.51 × 14,055.79
  4. Step 4: Simplify right side
    28,091.74x = 591,784,039.03
  5. Step 5: Solve for x
    x = 591,784,039.03/28,091.74
  6. Step 6: Final answer
    x = 21,066.12

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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.